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Pick, List & Choose
PreK–K, 1–2, 3–5
Most standardized tests are not designed to evaluate the individualized growth and development taking place in your classroom. But there are assessment tools that do!
Many early childhood educators are uncomfortable with the idea of testing the young children they work with. This is... |
Truth and Reconciliation
In this article, we shall discuss Truth and Reconciliation Commissions in the context of international relations. We shall examine what is a truth and reconciliation commission, and how that differs from a domestic or international court or tribunal.
What is a Truth and Reconciliation Commissio... |
MIT Builds Batteries with Viruses
Normally, one would associate the word virus with something negative, whether it is a malfunctioning desktop computer or a sickness. However, researchers at the Massachusetts Institute of Technology have "trained" viruses in a lab to create a miniature battery.
By manipulating a few ge... |
Scientists from the Sloan Digital Sky Survey (SDSS) have constructed the first map of the universe based on the positions of supermassive black holes, which reveals the large-scale structure of the universe and precisely measures the expansion history of the universe back to when the universe was less than three billio... |
To understand earaches you must first know about the Eustachian tube, a narrow channel connecting the inside of the ear to the back of the throat, just above the soft palate. The tube allows drainage — preventing fluid in the middle ear from building up and bursting the thin ear drum. In a healthy ear, the fluid drains... |
Three dimensional printing (or simply known as 3D printing) really is the stuff of the future. Two dimensional printing has always had a lot of versatility—from creating small thank you notes to entire trade show banners — but it’s been confined to only two dimensions. Three dimensional printing really does feel like t... |
2 The Physical WorldThis unit is all about Rivers, Coasts and Glaciers and how these physical entities change the land on which we live over thousands of years.In particular, you will need to know in detail how various land forms are created, and the processes that help to create the landforms.A Landform is a particula... |
The aim of this course is to expose students to the science of logic, that is, to the branch of philosophy concerned with the analysis of arguments. We will concern ourselves, first, with the recognition of arguments and with basic logical concepts, such as truth, validity, soundness, cogency, and strength. We will stu... |
This 20 card scavenger hunt introduces students to information about the bones in our skeleton. Also included is an anticipation guide to use before your study of the skeleton. Directions for making a cross section of a bone and a Skeleton Search and Find. The Search and Find is a Word Find that also requires students ... |
(Last Updated on : 07/06/2013)
Stork family (Ciconiidae) consists of long legged marsh-inhabiting birds with partially bare tibia, longish necks and heavy pointed tapering bills. They lack a voice-box (syrinx) and are mostly silent except for grunts and clattering of mandibles, especially when breeding. The common Indi... |
A hardy microbe that can withstand huge doses of radiation could have evolved this ability on Mars.
That is the conclusion of Russian scientists who say it would take far longer than life has existed here for the bug to evolve that ability in Earth’s clement conditions. They suggest the harsher environment of Mars make... |
Have you ever watched a dog retrieve a ball thrown into water? On land, dogs are swift and agile, but in water they become slow and ungainly.
Kicking relentlessly at the water, they snap at the ball with their jaws, only to find that they are pushing it further away. Having eventually caught the ball, they inevitably g... |
What Is Haemophilia and How Does It Affects Clotting?
Having haemophilia means your blood cannot clot properly. Contrary to popular belief, this doesn’t mean you are liable to bleed to death from a minor cut, neither would you bleed faster than other people if you get injured. You can, however, bleed for longer. Althou... |
Parliament Buildings of Canada – Then and Now Montreal
Parliament Buildings of Canada – Canada’s Parliament Buildings are located high on a hill overlooking the Ottawa River, and home to the federal government. In 1857 Queen Victoria chose Ottawa for the new capital of the Province of Canada.
A competition was organize... |
The same process that the sun uses to create energy, nuclear fusion could provide the world with much-needed cheap energy. Scientists say that one kilogram of fusion fuel can provide the same amount of energy as 10 million kilograms of fossil fuel.
Fusion occurs when atomic nuclei collide together and release energy in... |
Woman Suffrage: Why a Woman’s Rights Convention in 1848? Why Seneca Falls, NY?
“I was born and lived almost forty years in South Bristol, Ontario County–one of the most secluded spots in Western New York, but from the earliest dawn of reason I pined for that freedom of thought and action that was then denied to all wom... |
June 23, 2017
With the Semester 2 Break in full swing, learning might be the last thing on your mind, but as in life, there are opportunities to learn presented to us everyday, and as you decide when ( and even whether ) to purchase your textbooks for Semester 2, the type of learning style that you adopt can help you m... |
Often the term Hispanic is used synonymously with the word Latino. However, a Hispanic specifically refers to people from Spain or the various Spanish speaking nations. Latinos are people of Latin American origin. For example a Brazilian would be Latino, but not specifically Hispanic (unless he or she is of Spanish ori... |
An uneven distribution of electron density makes water molecules polar. Within each molecule, there is a partial negative charge near the oxygen atom because of an unshared pair electrons and partial positive charges near the hydrogen atoms.Continue Reading
Each of the two hydrogen atoms in a water molecule shares a co... |
In order to support your students to become fluent readers who read for meaning, there are five elements that students needs to master. These five critical literacy areas are covered in ABC Reading Eggs.
The five elements include:
1. Phonemic Awareness
Phonemes are the units of sound that make up a word. Developing pho... |
Travel played such an important part in the migration of the pioneer McCutcheons that included here is a descriptive narrative of how the last jaunt of their long journey from old to new may have happened. Since none of them left a written record of their journey, what follows is a description of a typical journey into... |
Friday, 13 September 2013
This activity could be extended once the children have collected their words. Who has got the most words? Are there any words you don’t understand the meaning of? Choose one of the words and write about a time you felt like that? Choose one of the words and draw a picture of yourself with that... |
“If you ask, ‘When is life most likely to emerge?’ you might naively say, ‘Now,’” says lead author Avi Loeb of the Harvard-Smithsonian Center for Astrophysics(CfA). “But we find that the chance of life grows much higher in the distant future.”
Life as we know it first became possible about 30 million years after the Bi... |
While assessing the risks and pace of climate change remains a difficult task, our core understanding of the physics and chemistry of the atmosphere grows ever more complete. Last month a new study was published that helps explain why surface air temperatures have not increased as rapidly over the past decade as have o... |
Fossil evidence of early life has been found in old hot spring deposits in the Pilbara, Western Australia, that date back almost 3.48 billion years.
The rocks — hot spring deposits — were originally collected from Pilbara Craton in Western Australia, and they contain microbial biosignatures that serve as clues for earl... |
Developing the literacy of primary level children is a key concern for most parents and teachers. The National Children's Literacy website notes that reading enhances intellectual and educational development, as well as social skills. Reading well, however, stipulates broadening usage and knowledge of vocabulary. Word ... |
Copyright © University of Cambridge. All rights reserved.
'Counting Counters' printed from http://nrich.maths.org/
Why do this problem?
gives an opportunity for children to generalise from a practical situation. It is easy to replicate these patterns in the classroom with counters, bottle tops etc.
You could begin by d... |
The newest addition to our Ohio Memory quizzes is now available for you to test yourself, and this time the challenge focuses on the historic village of Zoar! Located in Tuscarawas County, Zoar is a small village settled in 1817 by a group of German separatists who left their native land to escape religious persecution... |
Conventions for Doppler Effect Equations
by Ron Kurtus (2 December 2012)
It is a good scientific practice to define conventions before stating equations for a physical phenomenon.
In the case of Doppler Effect equations, you need to define which direction is positive and which is negative. You also need to define restr... |
Check out that extra-bright galaxy towards the top of this image. That's an elliptical galaxy, which are among the largest galaxies in the universe. And now scientists believe these galaxies hold five to ten times more stars than previously thought.
Until recently, astronomers believed elliptical galaxies contained aro... |
Supporting your child's original ideas leads to growth in problem solving skills, deeper parent-child interactions, and joy!
When you voice a new idea, you immediately become a “minority of one” (Torrance & Shaughnessy, 2008, p. 445). In the picture book, What Do You Do with an Idea? by Kobi Yamada, a boy finds himself... |
I’d like to return today to our technical discussion of camera optics. We have looked at what mirrors do to light and at what lens do to light. Based on what we learned so far take a look at Figure 1 which shows the innards of a single lens reflex or SLR camera. The first object that we see is the lens. The lens is act... |
Seahorses are amazing little creatures—the males give birth, they swim upright and they're incredibly adorable. But did you know that the seahorse is one of the toughest little creatures on our tiny little world? In recent tests, researchers have found that the tail of the underwater equine can be compressed to about h... |
Origin & Salient Features of Indus Valley Civilization
The question about the origin of the Indus valley civilization is largely unanswered. Various researches have linked significantly the origin of Indus Valley civilization to the Neolithic site of Mehrgarh. Mehrgarh which lies on the “Kachi Plain” of Baluchistan in ... |
The Boer War started when Britain annexed parts of South Africa held by Dutch farmers in 1877. The region, called the South African Republic, or the Transvaal Republic, revolted in 1880.Continue Reading
Boer is the Dutch and Afrikaans word for farmer. The British wanted to form and rule a confederation of South African... |
Book T of C
Chap T of C
This is the 2007 version. Click here for the 2017 chapter 08 table of contents.
During the 20th Century, American psychologists did a remarkable number of experiments on rats. Given the assumption that all animals learned in similar ways, it seemed logical to focus attention on a species that co... |
Diameter Coordinate System
Most people are familiar with the rectangular (or Cartesian) coordinate system. This system of coordinate planes uses real number lines arranged at right angles to allow any point in space to be clearly and unambiguously determined. In mathematics, the order of the coordinates (separated by a... |
Enrico Fermi (1901-1954), Italian-born American physicist and Nobel Prize winner, who made important contributions to both theoretical and experimental physics. Fermi’s most well-known contribution was the demonstration of the first controlled atomic fission reaction. Atomic fission occurs when an atom splits apart (se... |
This section is from the book "A Practical Treatise On The Joints Made And Used By Builders", by Wyvill J. Christy. Also available from Amazon: Practical treatise on the joints made and used by builders.
Screw Joint is one fixed by wood screws or screw nails, commonly called screws, which are made of brass, copper, or ... |
How do batteries store energy?
Renewable energy generation does not always meet demand. This is for the simple reason that consumers may wish to use energy when the sun isn’t shining or the wind isn’t blowing. Batteries can be used to balance this generation and demand problem. Batteries can charge when energy is gener... |
|C1||Vocabulary|| 60 mins|
Thanks to our lesson plan on binge watching, your students will learn a lot of advanced vocabulary connected with traditional TV as well as streaming platforms (Netflix and the like), discuss some statistics connected with binge watching as well as express their own preference for watching TV... |
METEOROLOGIST JEFF HABY
Earth can generally be divided into three climate zones which are polar, temperate and tropical. The main driver of a climate zone is the
amount and directness of sunlight that reaches the Earth’s surface. In the tropical regions, there is a fairly constant amount of sunlight
throughout the year... |
Convective heat transfer, often referred to simply as convection, is the transfer of heat from one place to another by the movement of fluids. ... responsible for fluid motion when the fluid is heated, and this process is called "natural convection".
The transfer of heat by the movement of a fluid is calledconvection.
... |
05 Mar How To Read To Kids
Literacy begins with parental involvement – often, reading aloud – and continues with the development of a genuine enjoyment of reading. Books play an essential role in a child’s development and are the building blocks for a better future.
How to read to children
- Take books everywhere and m... |
World Sanitation Day
Every being on the planet must defecate. Every country, however, deals with its excrement in a different way. The most vulnerable areas of the planet, its "developing countries", lack adequate santitation and water treatment systems. This problem means that waste affects their resources without it ... |
In 2014 the most common cancer diagnosis was breast cancer, followed by prostate, lung, colon, skin, and brain cancer. By contrast, the Mayo clinic estimated that leading hospitals around the country see less than one case of heart cancer every year. The reason for this could be due to natural selection putting severe ... |
A worm is not classified as an insect because it does not contain the characteristics defined by the scientific classification system for insects. Worms are tubular and do not contain legs or properly segmented bodies, two characteristics needed for an insect classification.Continue Reading
The scientific classificatio... |
What are Population III stars? In short, the alleged story is as follows:
The super-hot big bang fireball produced only hydrogen (~75%), helium (~25%) and tiny traces of lithium. So the first stars to form (given the name Population III stars) could only form from these gases. Astronomers label all elements heavier tha... |
Images from the Landsat Data Continuity Mission (LDCM) will help determine severe erosion, landslide and flood risks across more than 24,000 scorched acres in California’s Santa Monica Mountains.
Burned Area Emergency Response (BAER) teams often head for the field while the remnants of a fire are still smoldering. Thes... |
“I – MESSAGES”
We learned in previous chapters that in the I-message we explain to the child what we are really feeling and the thoughts, beliefs, expectations, fears and attachments that create those feelings within us. We communicate:
1. The various emotions which we are having.
2. The beliefs and programmings which ... |
This Factoring Math section looks to explain what factors are, and also demonstrate the process of factoring.
Factoring can also be called factorization.
With regards to numbers, a factor is a number that divides another number exactly.
For 8, the factors are 1 , 2 , 4 and 8 itself.
As 8 also divides 8,... |
As World War II drew to a close in 1945, the Allies became more and more aware of the enormous scale of the war crimes and other atrocities commited by the Axis.
Initially, Allies disagreed about how these crimes should be punished, but eventually President Truman publicised his support for the use of the judicial proc... |
Sonar (sound navigation and ranging) is a technology that uses acoustical waves to sense the location of objects in the ocean. The simplest sonar devices send out a sound pulse from a transducer, and then precisely measure the time it takes for the sound pulses to be reflected back to the transducer. The distance to an... |
Middle ear infection
Middle ear infection: Introduction
A middle ear infection is a common type of ear infection. A middle ear infection is also called otitis media.
A middle ear infection is the result of an invasion of bacteria into the section of the ear called the middle ear. The ear includes three areas: the outer... |
The earths surface absorbs visible radiation from the sun, which causes heating. At the same time the surface and the atmosphere emit infrared radiation back to space, which produces cooling. Our eyes cannot see infrared radiation but we can feel how our skin absorbs it when we are standing next to a hot object without... |
Students explore the history of immigration to the United States and current U.S. immigration policy in the Trump era as they consider the complexities of U.S. immigration policy and prepare to articulate their own views about this issue.
- Understand the constitutional basis and history of the State of the Union Addre... |
Diodes are the simplest semiconductor device having only two layers, two terminals and one junction. The ordinary signal diodes have a junction formed by p type semiconductor and n type semiconductor, the lead joining p type is called anode and the other side lead joining the n type is called cathode. The figure below ... |
The red planet Mars, named for the Roman god of war, has long been an omen in the night sky. And in its own way, the planet’s rusty red surface tells a story of destruction. Billions of years ago, the fourth planet from the sun could have been mistaken for Earth’s smaller twin, with liquid water on its surface—and mayb... |
Explosive underwater volcanoes were a major feature of 'Snowball Earth'
Around 720-640 million years ago, much of the Earth’s surface was covered in ice during a glaciation that lasted millions of years. Explosive underwater volcanoes were a major feature of this ‘Snowball Earth‘, according to new research led by the U... |
WHAT IS SICKLE CELL DISEASE?
Sickle Cell Disease is an inherited blood disorder where abnormal hemoglobin within the red blood cells causes the cells to become rigid, sticky, and shaped like a sickle. The sickling shape makes the blood cells fragile, impeding blood flow which over time can cause severe pain, and harm o... |
Introduction to Obesity
Obesity is a term used to describe a person who is extremely overweight with a high percentage of body fat.
What is Obesity?
Obesity is a term used to describe a person who is extremely overweight with a high percentage of body fat. There is a high prevalence of people affected by it in the UK, ... |
Ancient Mesopotamia for Kids
Daily Life in Ancient Sumer
Thousands of years ago, the ancient Sumerians built towns and cities along the Tigris and the Euphrates Rivers. There were four main classes of people - the priests, an upper class that included the royals, a lower class, and slaves. The ancient Sumerians believe... |
To better protect minors and vulnerable adults from all forms of abuse and exploitation, Pope…
How the Lateran Treaty created Vatican City
Ninety years ago, on Feb. 11, 1929, a series of treaties were concluded by the Holy See and the Italian government that significantly impacted the papacy, the Catholic Church and wo... |
If climate change continues, we can expect a large rise in sea level this century, and it will only get worse in the centuries to come...
Picture yourself on a beautiful beach, anywhere in the world. Your favourite beach, maybe. The waves are lapping on the shore, the Sun is sparkling over the water and there is a refr... |
Introduction To Micro Economics
Microeconomics is a study that focuses on the individual households, business firms and markets taken in isolation or in groups. A design of an Introductory Microeconomics course is meant to introduce students to the basic concepts, theories and principles of microeconomics analysis. It ... |
Researchers say they have discovered a new dinosaur species that inhabited Brazil some 90 million years ago.
Computer animation of the discovery was released this week.
Experts say the species was about five feet long, carnivorous, and traveled on two feet.
Investigators believe that the dinosaur’s breeding ground was ... |
A key musical component of the Renaissance period was the madrigal. In this lesson, learn how the complex church vocal music from the end of the Medieval Era was transformed into singable melodies made for the secular courts and the educated public.
Singing in the Renaissance
Current pop culture has spawned an infatuat... |
All kinds of life are capable of being fossilised – even bacteria – but undoubtedly the most familiar fossils are seashells, such as those seen in the masonry of some buildings or in outcrops along the shore. Sometimes building stones contain so many shell fragments they seem to consist of little else. Fossils of land ... |
Class Summary - Today I want you to learn about stroke, seizures and fainting. Step 1 - Read the summaries of all three sudden illnesses and watch the video after each summary for the illness that you read about Step 2 - Read through slides about the illnesses. Step 3 - Complete the google form ws found here - https://... |
It can be used to revise structures or to present them as part of an inductive approach. It also encourages learners to be creative. The activity would be suitable for an elementary to intermediate level.
Make a copy of this worksheet for each student
- Dictate the complete word pairs on the handout (pairs 1 – 5) to le... |
Most cases of diarrhea are acute. This means it arises suddenly, is intense and lasts for only a short period of time. Typically with diarrhea this is just a few days and in many instances the diarrhea resolves on its own without any medical treatment. Sometimes it may persist for weeks and still be considered as acute... |
Tigers may live up to 26 years.
Asiatic wild dogs called dholes may prey upon tigers but these rare attacks are usually countered with drastic losses to the dholes' pack. Humans are the greatest threat to all tiger populations.
The main threats to tiger populations today are habitat loss/fragmentation and poaching.
Hab... |
The Zika virus, first known in Uganda in 1947, is a virus mostly spread to people by mosquitoes. A person can also get the Zika virus by having a blood transfusion, exchanging bodily fluids and by mosquito bites. When the virus is spread by an Aedes mosquito, the mosquito bites an infected person and then passes the vi... |
Gardening is a timeless activity that has been practiced by humans for thousands of years. It is a wonderful way for children to connect with nature and learn about the world around them. Gardening can provide them with not only fresh and healthy produce but also a range of physical, emotional, educational, and social ... |
November 15 is the anniversary of one of the biggest “what if” stories in the history of space development. The exploits of the United States Columbia class space shuttle are well documented, but on this day in 1988, another contender appeared.
Under a veil of secrecy, the Soviet Union launched a re-useable launch vehi... |
The removal of wetlands has had a profound impact on rivers and streams. Wetlands are critical to the health of these water bodies as they provide vital habitats for fish and other aquatic creatures, help to filter and purify water and stabilize banks against erosion. When wetlands are destroyed or degraded, it can lea... |
Bullying can threaten student’s physical and emotional safety at school and can negatively impact their ability to learn. The best way to address bullying is to stop it before it starts. School staff can do a great deal to prevent bullying and protect students, but they can’t do it alone. Parents and youth also have a ... |
Growth chartHeight and weight chart
Growth charts are used to compare your child's height, weight, and head size against children of the same age.
Growth charts can help both you and your health care provider follow your child as they grow. These charts may provide an early warning that your child has a medical problem... |
The future of data storage will not be in the binary switching of electrical cells as in flash storage.
It may also not be in magnetism-based potential successors to flash such as Racetrack Memory, where one or a few bits per cell is replaced by 100 bits per physical unit of memory.
Instead, scientists are working on w... |
Level B1 corresponds to independent users of the language, i.e. those who have the necessary fluency to communicate without effort with native speakers. It is important to bear in mind that the Common European Framework of Reference for Languages (CEFRL) is the system that defines and explains the different levels of o... |
There is limited terrestrial life in Antarctica – plants only exist on approximately 0.3 percent of the continent. Moss, however, is part of the region’s year-round landscape. Weather patterns in Antarctica are rapidly changing, and moss banks are predicted to make the continent much greener if the temperatures continu... |
The French revolution introduced the revolutionary doctrines of liberty, fraternity and equality which went beyond France to other countries like Italy and Germany, thus promoting France’s glory in Europe.
The French revolution led to international co-operation among European countries. This was because the French revo... |
The Tohoku earthquake that caused the devastating tsunami in Japan was massive — the 9.0-magnitude quake is the fourth-largest ever measured. As far away as Tokyo, some 230 miles (370 kilometers) from the rupture zone along the seafloor, skyscrapers swayed and shook like small trees in a wind.
For those closer to the e... |
We perceive sound when sound waves are collected as vibrations in the inner ear, and then transferred to the brain, where they are decoded. These sound vibrations enter the inner ear not just from the ear cup but directly through the skull bone, too. With the help of new mathematical and computational models, researche... |
The name Limpet is used for many marine and freshwater gastropod species which have a simple conical shell. The phrase "true limpets" is used only for marine limpets in the ancient clade Patellogastropoda. This article is mainly about the true limpets.
True limpets are small marine gastropod molluscs with flattened, co... |
Icebergs are scraping the sea floor of Antarctic waters more than ever, much to the detriment of bottom-dwelling creatures. The change comes because seasonal ice in the Antarctic doesn't last as long. Icebergs that break off from glaciers onshore are driven by winds and currents into shallow waters. At Rothera station ... |
How a Tangent Relates to a Circle
A line is tangent to a circle if it touches it at one and only one point. If a line is tangent to a circle, then it is perpendicular to the radius drawn to the point of tangency. Check out the bicycle wheels in the below figure.
In this figure, the wheels are, of course, circles, the s... |
From Ohio History Central
no edit summary
| image = [[File:Elderly Man and Woman in Work Clothes.jpg]]
| caption = Photograph of an elderly man and woman in work
clothes by traveling photographer Albert J. Ewing. The photograph was likely taken in southern Ohio or West Virginia, ca. 1890-1910.
Appalachia is a geographi... |
Little is known about general anesthetics, the drugs that put patients in a coma-like state, feeling no pain or discomfort while being operated on. A new study shows that these classes of drugs change the activity of a specific region of the brain and make it more difficult for the parts to communicate.
The scientists ... |
The team of archaeologists from the Centre for Baltic and Scandinavian Archaeology in Germany managed to find the fossils of 100 individuals in the region Tollense Valley, northern Germany. Scientists estimated that the bones belonged to victims of brutal fighting that took place in the Bronze age around 1200 years BC.... |
The term “habitable planet” seems rather broad. Does it mean that it is habitable for humans? Is it merely capable of supporting some other form of life? Quite simply, planetary habitability refers to a planet’s ability to both develop and sustain life.
Unfortunately, scientists have had to base their calculations for ... |
How to play: The alphabet is said from start to finish automatically. When it finishes, you can click the red arrow button to hear it again. (The rabbit giggles if a ball hits him, but you can't do anything to make the ball hit him.)
What is learned: This activity helps the student learn the alphabet. This is especiall... |
Period: Middle Jurassic
Order, Suborder, Family: Ornithischia, Thyreophora, Huayangosauridae
Location: Asia (People's Republic of China)
Length: 15 feet (4.5 meters)
For many decades, scientists only guessed at the origin and history of the stegosaurs, which seemed to appear suddenly in the fossil record. They give lit... |
Area, Perimeter, and Circumference
Lesson 7 of 19
Objective: SWBAT: • Find the area and perimeter of irregular shapes by decomposing them into squares, rectangles, and circles.
- Common Core has students work on circles during 7th grade. I teach in Massachusetts where 6th grade students are expected to identify parts o... |
Joanne Johnson and Lamont-Doherty, Collaborating on Glacial Research
On Feb. 20, Science published new research about the Pine Island Glacier on the West Antarctic Ice Sheet that suggests the glacier’s recent and rapid thinning and melting may continue for decades or centuries to come. The British Antarctic Survey’s Jo... |
A seed is the egg cell of a plant, with a hard wrapper around it so it can survive on its own. The earliest plants with seeds evolved from plants with spores during the late Devonian period, about 360 million years ago. The seeds made a hard wrapper around the plant’s reproductive cell, to protect it so that the new ba... |
Parts of a corn plant include the roots, brace roots and nodes as well as the stalk, leaves, ears and tassel. Small stalks called shanks grow out of the nodes to contain the ear in a husk. Within the husk, a hair-like structure called a silk surrounds the kernels, growing from a cylindrical structure known as a cob. A ... |
doi:10.1038/nindia.2015.77 Published online 5 June 2015
Nature has engineered ceramic shells of molluscs like clams, oysters, and snails to withstand high pressures at the ocean bottoms, shows a recent study1. The findings could help engineers build stronger materials for use in transport or defence.
Cloaking themselve... |
Making decisions can sometimes be a complex and complicated task for young people. Confronted with difficult choices, students need to know how to work through the process of considering options and the consequences and the impacts of each. Making informed decisions assists students to feel confident and in control of ... |
Giardia infection is an intestinal infection marked by abdominal cramps, bloating, nausea and bouts of watery diarrhea. Giardia infection is caused by a microscopic parasite that is found worldwide, especially in areas with poor sanitation and unsafe water.
Giardia infection (giardiasis) is one of the most common cause... |
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