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This chapter introduces the library Boost.Asio. Asio stands for asynchronous input/output. This library makes it possible to process data asynchronously. Asynchronous means that when operations are initiated, the initiating program does not need to wait for the operation to end. Instead, Boost.Asio notifies a program w...
Millions of fish are farmed in the US every year, but many of them die from infections. In theory, genetically engineering fish with genes that protect them from disease could reduce waste and help limit the environmental impact of fish farming. A team of scientists have attempted to do just that—by inserting an alliga...
- Explain the origin and role of the World Trade Organization (WTO) - Discuss the significance and provide examples of regional trading agreements - Analyze trade policy and evaluate long-term trends in barriers to trade How Trade Policy Is Enacted: Globally, Regionally, and Nationally Nations participate in global and...
Chimpanzees have specific words (grunts) for different types of fruit, and after some time, can adopt a different language with novel sounds after joining a new community of chimps. A community of chimps in Edinburgh Zoo had a specific grunt for “apple”, while another community at Beekse Bergen Safari Park in the Nethe...
School buses are some of the safest vehicles we have on our roads. They check most of the safety boxes as they are apparent and have stop sign features that come in handy when students are boarding and exiting. So, you'd imagine the environmental impact they would have when the clean school bus program brings in new el...
Recognizing emotions in others can be difficult. For clients with psychological disorders as well as developmental disabilities, this can be a challenge. We designed this packet to be focused on recognizing and understanding emotions. The first activity in this packet will focus on sorting faces based on whether they a...
GRAND RAPIDS, Mich. (WOOD) — If you’ve lived in Michigan for a while, you already know that the Great Lakes can have a profound impact on the weather — lake effect snow, for example. But there’s another phenomenon that you might not be familiar with — the severe weather buffer the Great Lakes provide. During the spring...
Tight junctions are found only in a specific area of epithelial cells. Very important for multi-cellular organisms, tight junctions are often characterized by fusion adjacent of the cell membrane. These junctions perform various tasks within membranes. The main process of communication carried out in the cell membrane ...
At this point, it should be clear that eukaryotic cells have a more complex structure than do prokaryotic cells. Organelles allow for various functions to occur in the cell at the same time. Before discussing the functions of organelles within a eukaryotic cell, let us first examine two important components of all cell...
In this series of Arduino lessons, I really want you to begin to understand how the arduino works. That is, open the hood, and begin to understand how the magic happens. You already are thinking about how you can type commands to make the Arduino do what you want, but how does it all work. The magic happens because of ...
The term ‘algae’ represents a large range of photosynthetic organisms. Seaweed is a type of algae, sometimes known as micro algae and generally live attached to rock or other hard organisms in coastal areas. It’s primary requirements are seawater and light (for photosynthesis). The presence of algae in an ecosystem is ...
A mountain is a large landform that rises above the surrounding land in a limited area, usually in the form of a peak. A mountain is generally steeper than a hill. Mountains are formed through tectonic forces or volcanism. These forces can locally raise the surface of the earth. Mountains erode slowly through the actio...
The Great Migration, which occurred between 1915 and 1970, resulted in the movement of millions of African Americans from the rural South to cities in the North and West. In her book ‘The Warmth of Other Suns,’ Isabel Wilkerson provides a comprehensive summary of this transformative period in American history. Through ...
Critical thinking refers to thinking objectively and removing bias from your judgment. This helps you make better decisions in your personal and professional life. One way to improve critical thinking is through reading books focused on critical and careful thinking. That’s why we’re excited to present the best critica...
At first, the moons of Mars seem somewhat underwhelming as moons go. Small and misshapen, they don’t seem worth our attention. Still, since humans will one day look up at them and call them their own, maybe we should take a closer look at what that view will be like. We might find that they are more interesting than we...
Food and mental health have a complex and interrelated relationship. On one hand, the food we consume can affect our mental health by influencing our mood, energy levels, and cognitive function. On the other hand, our mental health can impact our food choices, leading to either healthy or unhealthy dietary habits. Unde...
Explore counting and color sorting using this worksheet. Use it along with the set to help reinforce color recognition, counting, and classification skills. Kids will have fun doing these activities. Pre-K – Kindergarten: Use this resource after you introduce colors or counting, monitor how well they can recognize colo...
Last Updated on September 6, 2023, by eNotes Editorial. Word Count: 532 In The Principles of Psychology, William James describes psychology from a scientific standpoint. This differs from previous approaches to psychology, which were more dependent on introspection. James takes a more practical approach to psychology, ...
A Splash of Life Since Darwin's time, scientists have generally agreed that life on Earth started from "warm little ponds" — or the so-called primordial soup that was rich in organic compounds. Life began in its most primitive forms from these waters some 3.8 billion years ago but, how it actually happened has been the...
The most widely accepted definition of democracy is as follows; a system of government by the whole population or all the eligible members of a state, typically through elected representatives. “Whole population” is the focal point here. Democracy is older than some religions of the world, it’s traditionalist in some s...
The introduction of cane toads to Australia in the 1930s would become a textbook example of invasive calamity. Their flesh is poisonous, they lacked native predators, and unwitting animals who tried to eat them often died. Dramatic declines in many species followed the toads’ spread across the continent. Nearly a centu...
Meaning – The term load, refers to the act of bringing all or part of the computerprogram into memory from auxiliary storage so that the computer can run the program. Depending on the information being loaded, the speed of the hardware, and how other programs are running determines the load time. If a program or comman...
Little builders tackle the basics with large nuts and bolts that fit together easily. Children learn shapes, colors and counting while they develop their fine motor skills. • 32 bolts – 4 shapes, 4 colors (2 of each shape and color) • 32 nuts – 4 shapes, 4 colors (2 of each shape and color) • Plastic storage container ...
Introducing Artificial Intelligence (AI) to kids is becoming more critical in the contemporary world. Today, computers get smarter all the time. They can generate answers to basic, real-world questions, find patterns and work out how to solve problems. Teaching kids new technologies allows them to explore how complex s...
What are fine motor skills? Fine motor skills involve the use of small muscles in our hands, wrists, fingers, feet and toes. Improve Toddlers Fine Motor Skills involve the movements of small muscles that require your child’s brain to coordinate between the action and what they are seeing. Fine motor skills can impact t...
The near-constant conflicts between the Swedish empire and its neighbors pushed the organization of local life in seized lands to the background, allowing Baltic German nobility in Livonia to consolidate its power. Surprisingly, a doctoral thesis defended at the University of Tartu suggests that in the first half of th...
Enjoy these free Boggle templates to use in your classroom! The Rules for Boggle is simple, students use the 4×4 grid of letters to create 3, 4, and 5+ letter words. You can pick your own letters by editing the letter in one of these boggle templates after you printed it. Your students are able to then play Boggle righ...
Researchers and educators agree that literacy experiences from an early age are beneficial for children’s language and cognitive development. Fostering literacy skills for children has been made possible due to the abundant information found primarily online. The rapid changes in the workplace mean that STEM (Science, ...
March 23, 2012 Dear Mayo Clinic: How is tapeworm infection contracted and treated? Is it very common today? Tapeworms are flat, ribbonlike parasites that can live in human gastrointestinal tracts. Worldwide, an estimated 50 million people have a tapeworm infection, although that number may be low, as the disease often ...
During the test, a person breathes in a special gas and exhales into a tube. A doctor will analyze samples of exhaled air to see how well the lungs are taking in oxygen and expelling carbon dioxide. Doctors call this process diffusion. This article provides an overview of the lung diffusion test. It looks at when docto...
(Join our newsfeed at www.MaritimeCyprus.com) The Panama Canal opened to traffic on 15 August 1914 with passage of the SS Ancon. First conceived in the 1600s, actual construction work was first begun by a French company in 1880. That attempt was defeated primarily by malaria and yellow fever. Work began on the present-...
In the maintenance of file systems, defragmentation is a process that reduces the degree of fragmentation. It does this by physically organizing the contents of the mass storage device used to store files into the smallest number of contiguous regions (fragments, extents). It also attempts to create larger regions of f...
Healthy soil is alive, rich with an incredible diversity of living organisms from bacteria, fungus, protozoa, to earthworms and tiny insects. It is this living biological component that makes the difference between a healthy soil and a degraded soil. Substances secreted by these living organisms make mineral soil parti...
In short, an algorithm is a set of steps that defines a sequence of actions. It may also be described as a set of commands designed to achieve a specific goal or solve a particular problem. Algorithms are mainly used and studied in the fields of mathematics and computer sciences, but they may also be related to other c...
Today’s humans are seeing the start of the world’s first mass extinction in 65 million years. What does the loss of biodiversity entail for humanity and the environment? Unlike any previous mass extinction, this sixth — or Anthropocene — extinction is entirely human-caused, with climate change, habitat loss, pollution,...
The Project Method "Why?", "How?" and "I will do it!" are sentences that express a child's desire for knowledge and the effort to gain it through his or her own strength. The project method we use gives the children the opportunity to learn at their own pace, using all their senses, to try and err, to find new solution...
The secrets of how animals manage to learn sounds have intrigued humans for thousands of years. Insight into this ability, known as vocal learning, could reveal new details about the evolution of human speech and language. “Comparative work investigating this trait across different types of animals is particularly impo...
The symptoms of an ear infection include: - Irritability, or increased crying or fussiness - Discharge from the ear - Infants who cannot yet speak may tug at or rub their ears - And/or fever Why ear infections occur so frequently in children Otitis Media occurs when an infection develops behind the eardrum, in the area...
An avalanche is a large mass of moving fragments with blocks that range from 100's of meters (exceeding 1000 m) in longest dimensions, down to tiny particles less than 0.1 mm. They may form from the collapse of nearly any kind of rock, but the focus here is upon volcanic debris-flow avalanches that develop from the col...
A 4.9 magnitude earthquake struck at 8:29 am ET this morning along the Central Mid Atlantic Ridge in the Atlantic ocean; while potent, the earthquake was not strong enough to trigger a tsunami. As such, there’s no threat of any tsunami at this time for the U.S. East Coast, Puerto Rico, the Virgin Islands, or elsewhere ...
Social promotion, in education circles, refers to the practice of allowing students to move on to the next grade level or course even though they are unable to demonstrate they have mastered the skills and knowledge they were expected to learn. Ending or reducing social promotion has been a major theme in the standards...
What does “empathy” mean exactly, and how is it different from sympathy or other emotional experiences? Some scientists differ in how they use the term. Below is a list of definitions of empathy and related terms that Frans de Waal compiled with colleague Stephanie Preston for their 2002 review article, “Empathy: Its U...
Inside the Earth The Earth's interior is composed of four layers, three solid and one liquid—not magma but molten metal, nearly as hot as the surface of the sun. The deepest layer is a solid iron ball, about 1,500 miles (2,400 kilometers) in diameter. Although this inner core is white hot, the pressure is so high the i...
HistoryNative Inhabitants and European Claims Long before Europeans explored the Delaware area, it was inhabited by several Native American groups of the Delaware—notably the Nanticoke in the south and the Minqua in the north. In 1609, Henry Hudson, in the service of the Dutch East India Company, sailed into Delaware B...
In precipitation reactions cations and anions come together to form an insoluble ionic compound. In neutralization reactions H+ ions and OH– ions come together to form H2O molecules. Ions may also participate in a third kind of reaction. The ions can transfer electrons between them, producing an oxidation-reduction rea...
The People of Jamestown: The Africans Using the Five Themes of Geography Students will describe the culture of the Africans who came to Jamestown in 1619 and the interactions that occurred in Africa between the local cultures and the Portuguese. Standards of Learning: Virginia SOL: VS1b, d, e, i; VS2b, c; VS4a; USI. 1b...
1. list the genres of Children’s Literature and tell us which ones are your favorite. What could you do to improve your variety of book selections and be sure you cover all the genres throughout the year? Please review this week’s Bible verse (“Jesus entered the temple courts, and, while he was teaching, the chief prie...
What Is FASD? Fetal alcohol spectrum disorder (FASD) is a group of conditions and symptoms that appear during childhood in children whose mother drank alcohol during pregnancy. Types of FASDs include fetal alcohol syndrome (FAS), alcohol-related neurodevelopmental disorder and alcohol-related birth defects, FASD can re...
On July 28, 1917, the first mass Black demonstration in the US took place without a word on Fifth Avenue in New York City. This would come to be known as the Silent Parade. The silent action protested the lack of government protection from lynchings, racial violence, and discrimination. Organizers planned the march as ...
The concept of liberty of conscience has a long history, dating back to early Christian thought on the human person’s nature. In the medieval period, theologians such as Thomas Aquinas developed the idea of conscience as a God-given inner light that could guide one’s actions. This understanding of conscience was influe...
Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2001 June 4 Explanation: What did the Sun look like before there were planets? A prototype laboratory for the formation of low mass stars like our S...
Grades 9 - 12 Grade level Equivalent: 10.9 Lexile Measure®: 1300 Guided Reading: Z - American History - Tolerance and Acceptance About This Book Learn How a Superhero Shaped American History! In this page-turning nonfiction book, author and newspaper reporter Rick Bowers explains in clear and compelling detail how the ...
The voltage level of the input can be changed by sliding the black arrow- head up and down on this vertical scale. Changing the input voltage causes changes in the base current, collector current, and in the collector voltage. When the current in the relay coil (i.e. the collector current) exceeds a certain value, the ...
What if you were told how many sides a polygon has? How would you describe the polygon based on that information? After completing this Concept, you'll be able to classify a polygon according to its shape and the number of sides it has. Then watch the first part of this video. A polygon is any closed, 2-dimensional fig...
August 7, 2000 Recent climate model predictions indicate that rising levels of atmospheric carbon dioxide may trigger a dramatic shift in phytoplankton communities in the Southern Ocean, according to Kevin Arrigo, Assistant Professor of Geophysics at Stanford University. Phytoplankton, plantlike organisms consisting mo...
When applying the impulse equation, be sure to calculate the vector change in velocity—for example, consider a mass of 10 kg acted on by a force that changes its velocity from −8 m/s to 3 m/s . This force imparted an impulse of (10 kg)[3 − (−8) m/s] = (10 kg)(11 m/s) = 110 N‐s. An extremely important fundamental princi...
When human ancestors first adopted their upright posture some 4 million years ago, the transition from four-limbed lumbering to bipedal striding came with some disadvantages. The shift produced skeletal adaptations that made them more susceptible to back, leg and joint injuries. Because the birth canal narrowed to allo...
African-Americans in the Revolutionary War This was, of course, the military conflict by which the 13 British colonies in North America became a new and (initially) very loosely confederated nation, the United States of America. The date we usually associate with the founding of the nation is July 4, 1776, the date cel...
May 12, 2012 \| 1 Plants don’t always seem particularly charismatic, but hidden from us in their slow-motion and chemical activities are incredible mechanisms that sense and respond to the world around them. Plants move in response to light, bending and stretching to get maximum sunlight. This phototropism extends all t...
What Cause Shingles? Shingles is caused by a reactivation of the same virus that causes chickenpox. Shingles is caused by a reactivation of the same virus that causes chickenpox. After chickenpox, which normally occurs in childhood, the chickenpox virus can remain in the body for the life of the individual. It is usual...
Attention deficit hyperactivity disorder (ADHD) is a group of behavioural symptoms that include inattentiveness, hyperactivity and impulsiveness. Common symptoms of ADHD include: - a short attention span or being easily distracted - restlessness, constant fidgeting or overactivity - being impulsive ADHD can occur in pe...
Compared to life in the water, life on land got off to a decidedly slow start. The seas had been swarming with life for hundreds of millions of years before the first tentative colonisation of the previously barren continents by small algae and plants in the Ordovician about 470 million years ago. Even then, it wasn't ...
Brightstorm is like having a personal tutor for every subject See what all the buzz is aboutCheck it out Adding Vectors - Concept 14,828 views The first operation we learn with vectors is addition. Adding vectors can be done two ways with the geometric representation. Both of these methods help us understand what it me...
TenMarks teaches you how to decide whether the figures are similar. Read the full transcript » How to Determine Whether the Figures are Similar Let’s learn about similarity and see if the figures given are similar. How do we do that? We’re given two parallelograms. We are given two parallelograms. If these two are simi...
order of operations the order in which a mathematical expression is evaluated: first grouping symbols, then exponents, then multiplication or division in order from left to right, then addition and subtraction in order from left to right To add two integers with different signs, find the difference of their absolute va...
woodchuck (Marmota monax), also called groundhog, Encyclopædia Britannica, Inc.© Photos.com/Jupiterimagesone of 14 species of marmots, considered basically a giant North American ground squirrel. It is sometimes destructive to gardens and pasturelands. Classified as a marmot (genus Marmota), the woodchuck is a member o...
The prevailing theory among scientists is the "out of Africa theory" or the replacement theory, which suggests that humans evolved in Africa and migrated to other lands between 56,000 and 200,000 years ago. Some anthropologists also call this theory the "out of Africa II theory." They refer to it as such because it dea...
Most of the rocks in Great Smoky Mountains National Park are sedimentary and were formed by accumulations of clay, silt, sand, gravel, and minor amounts of calcium carbonate in flat-lying layers. The oldest sedimentary rocks were formed during the Proterozoic Era some 800-545 million years ago. Vast amounts of unconsol...
Proprietary Colonies Meaning and Definition of Proprietary Colonies: Proprietary colonies were territories granted by the English Crown to one or more proprietors who had full governing rights. A proprietor was a person granted governmental powers over a tract of land. Proprietary Colonies were run under a colonial cha...
In 1914, trench warfare of World War I was a brutal and unforgiving affair. But on Christmas Eve, Allied soldiers and the German army put down their weapons and celebrated Christmas together. It’s an act that continues to inspire and give hope during this special season. Please learn more about the Christmas Truce at t...
Stock Up on Wire for Your Electronics Projects One of the most important items to have on hand in your electronics lab is wire, which is simply a length of a conductor, usually made out of copper but sometimes made of aluminum or some other metal. The conductor is usually covered with an outer layer of insulation. In m...
Researchers are hopeful that a different way to read knee X-rays could one day make it easier to predict osteoarthritis (OA). Osteoarthritis, or degenerative arthritis, is the most common type of arthritis, and it is characterized by the breakdown and loss of cartilage, the tissue that cushions the bones of the joints....
The most advanced bomber produced during the Second World War, the B-29 made a vital contribution to the defeat of Japan. It carried the atomic bombs which were dropped on Hiroshima and Nagasaki in August 1945 killing 115,000 people instantly, while many others died subsequently of wounds and radiation sickness. Japan ...
The Verrazano-Narrows Bridge carries 12 lanes of traffic across The Narrows, a tidal strait separating Staten Island and Brooklyn. In pre-historic times, Staten Island and Long Island were connected and the Hudson River emptied into the ocean through the Raritan River. However, towards the end of the last ice age aroun...
Here's how thermal imaging works: - A special lens focuses the infrared light emitted by all of the objects in view. - The focused light is scanned by a phased array of infrared-detector elements. The detector elements create a very detailed temperature pattern called a thermogram. It only takes about one-thirtieth of ...
Imagine we have four bags containing a large number of 1s, 4s, 7s and 10s. What numbers can we make? Find some triples of whole numbers a, b and c such that a^2 + b^2 + c^2 is a multiple of 4. Is it necessarily the case that a, b and c must all be even? If so, can you explain why? Make a set of numbers that use all the...
to have survived the extinctions because of their appearance later in the Mesozoic record—a phenomenon Jablonski (1986) has called the Lazarus effect. That is, they “rose again” after apparent extinction. The Lazarus taxa provide a special challenge for students of the fossil record, because there are two equally plaus...
The Anatomy of Human Lungs The lungs are pink spongy organs to the left and right of the heart that provide the means to get oxygen from the air into your red blood cells. Each lung has an apex at the superior end that rises above the level of the 1st rib and into the root of the neck. Each lung also has three surfaces...
Teaching Current Events: Resources for Teachers News stories offer many possibilities when it comes to bringing new topics to life in the classroom. For one thing, teaching students about current events allows for a multitude of opportunities to help students understand contemporary culture and gather their thoughts on...
\|Name: ________________________\|\|Due 10/24\|\|ID Number: ________________________\| If we could gaze comfortably at the Sun, we would see it as a glowing circle. Imagine a narrow triangle extending from your eye to the opposite sides of the Sun, as shown just below. The angle between the long sides of this triangle, label...
Describe how geography influenced the development of early Chinese civilization. Long distances & physical barriers from Egypt, Middle East, & India Why did main early Chinese civilizations settle along the Yellow River (Huanghe)? Got is name from the "loess", or fine windblown yellow soil -> fertile & easy to work wit...
How two butterfly species have evolved exactly the same striking wing colour and pattern has intrigued biologists since Darwin’s day. Now, scientists at Cambridge have found “hotspots” in the butterflies’ genes that they believe will explain one of the most extraordinary examples of mimicry in the natural world.Helicon...
Roosevelt, after his election to a third term, created the lend-lease plan at the behest of Prime Minister Churchill. Newly reassured in the support of the American people, FDR returned to Washington after his vacation armed with a creative plan for continuing aid to Britain without violating the Neutrality Acts. He pr...
Bivalves (Bivalvia) are a group of molluscs that include clams, scallops, oysters, mussels, razor shells, cockles, venus shells, borers, trough shells and many others (some of which have yet to be identified). In total, there are about 9,200 living species of bivalves making them the second most diverse group of mollus...
A total of 163 bird species is believed to have become extinct since 1500. Avian extinctions are continuing, with 19 species lost in the last quarter of the twentieth century and three more known or suspected to have gone extinct since 2000. The rate of extinctions on continents appears to be increasing, principally as...
These divisions of responsibility were conceived for widely recognized historical and philosophical reasons. The Constitution was drafted following the Revolutionary War, in which the colonies rebelled against the abuses of the British monarchy, the prototypical example of an unaccountable executive. The new nation so ...
If Climate Changes, It May Change Quickly By WILLIAM K. STEVENS Published: January 27, 1998 IN the debate over global warming, there has been a widespread assumption that if humans are changing the earth's climate, the effects will be felt gradually and smoothly, making it easier to adapt to the change. But a growing a...
In the wake of Coronado In 1887 the Rev. James H. Defouri, pastor of Our Lady of Guadalupe parish in Santa Fe, published a small book titled “Historical Sketch of the Catholic Church in New Mexico.” In its pages, he wrote that at the conclusion of the Coronado expedition, as it was preparing to leave New Mexico, many o...
The Race Car Workshop is a 35 minute fun and exciting way to get children interested in mathematics and elementary physics by involving LEGO bricks. The children build LEGO race cars, race them on our test track, and calculate their speeds and distance. The children will use the data they collect and improve the perfor...
Biogas is rapidly becoming a popular source of renewable energy, and now a team at Harvard School of Engineering and Applied Sciences is investigating a method to use methane in laptop fuel cells and batteries. While methane is technically a fossil fuel (as a component of natural gas), it is also created during the bre...
\|CCD > HIS 201\| CCD History 201 section 400 -- Melvin I. Urofsky Just as George Washington helped shape the actual form that the executive branch would take, so the third chief justice, John Marshall, shaped the role that the courts would play. Under the administrations of Washington and his successor, John Adams, only...
Unit 6 Chromosomes And MeiosisPresentation Transcript KEY CONCEPT Gametes have half the number of chromosomes that body cells have. sex cells (egg) body cells sex cells (sperm) You have body cells and gametes. Body cells are also called somatic cells. Germ cells develop into gametes. Germ cells are located in the ovari...
Digital learning is learning facilitated by technology. Not only can digital learning be done in the classroom, but also it can extend to home life as children continue to explore lessons through hands-on interaction with digital devices. According to data from Project Tomorrow's "Speak Up" study, an initiative of the ...
We've been having so much fun in Science Lately as we study plants and animals and living and non-living things. There is something to be said about hands on learning. I can stand at the front of the classroom and read from a text book all I want, but when they actually get their hands dirty with soil, explore an anima...
Bodies of water are made up of layers, determined by temperature. The top surface layer is called the epipelagic zone, and is sometimes referred to as the "ocean skin" or "sunlight zone." This layer interacts with the wind and waves, which mixes the water and distributes the warmth. At the base of this layer is the the...
The idea of the Wizard's Guild is for physical science to be reviewed and applied to a Medieval Fantasy setting by translating these laws into possible "spells." Just as with the Healer's Guild, students will be able to use their pretend spells both in defensive and offensive measures in the battles we will be having l...
Effective Teaching Strategies for English Language Learners English Language Learners (ELLs) are a large and growing population in our country. According to the National Center for Educational Statistics (2011), 11.2 million students in 2009 spoke a language other than English at home. Physical education is in a unique...
Activity Plan 5-6: Measuring Shadows Children take pleasure in learning to measure! - Grades: PreK–K Gather in Advance: Show students how to use a ruler and let them practice measuring with it for a short time. - Craft sticks-at least three for each child - Shadow measuring sheet-this is a sheet where children will rec...
The lion's mane has long been an iconic symbol, yet there has been no clear answer as to why lion's have manes, or what function they serve. We have spent the last seven years addressing this question using a wide variety of information collected through observations, experiments, and physiological assays such as hormo...
The invention of the telescope allowed man to view the millions of stars and planets spread throughout the universe, sparking the question ‘are we alone?’ Mathematical probability suggests that we are not, supposed UFO sightings suggest we are not (although they are often evidence of dubious credibility) and the search...

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