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Slavery in Ancient Aztec, Mayan and Inca - The Aztec empire was located in what is today known as “Mexico.” They were incredibly advanced agriculturally, having developed irrigation methods well before their European counterparts. Though the empire was vast and wealthy, many Aztecs would flee their country for the poss...
Cuvier, 1823 - Cuvier's beaked whale Cuvier's beaked whales are relatively robust, as beaked whales go. They have a short, poorly defined beak, and a mouthline that is upcurved at the rear. A pair of V-shaped throat grooves is present. A diagnostic feature is the slight concavity on the top of the head, which becomes i...
Educating Students on the Autism Spectrum: Individuals With Disabilities Act (page 3) The Individuals with Disabilities Education Act (IDEA) ensures that all children with disabilities receive a free, appropriate public education in the least restrictive environment, tailored to each child’s individual needs. This law ...
(Volcano Watch is a weekly article written by scientists at the U.S. Geological Survey’s Hawaiian Volcano Observatory.) In the past half-million years, Mauna Kea has supported an ice cap at least four times. These glaciations occur when the climate is cold and wet, when more snow falls each year than melts. Ice caps ar...
Once they were merely listeners, using their imaginations to bring others' words to life. Now they are storytellers themselves, using those same imaginations to set their pencils on fire. Third graders begin to write independently and collaboratively, breaking up the steps of the writing process into gathering and orga...
The National Museum of the American Indian honors American Indian Code Talkers. This is a companion website to the traveling Smithsonian Institution exhibition, Native Words, Native Warriors. During World War I and World War II, hundreds of American Indians joined the United States armed forces and used words from thei...
June Solstice in Universal Coordinated Time was on Friday, June 21, 2013 at 05:04 UTC The June solstice is known as the summer solstice in the northern hemisphere and the winter solstice the southern hemisphere. The date varies between June 20 and June 22, depending on the year. In the Gregorian calendar the June solst...
It's common knowledge that some animals can detect and use Earth's magnetic field, but now Italian researchers have identified a possible mechanism by which plants might react to it as well. The researchers even ponder the possibility that surges of plant evolution in Earth's history -- especially the appearance and sp...
Reporter's Notes: The Changing Bay This is one of those environmental stories where one event, seemingly far in the past, can have a surprising ripple effect into the future. Most of us think of the Gold Rush and picture prospectors panning for gold in streams and rivers. But some miners used more industrial techniques...
During the end of the 16th and the beginning of the 17th centuries, European monarchs encouraged and subsidized expeditions to the New World. None were more active, nor made greater impact, than the English. In the name of their monarchs in the Tudor and the Stuart lines, the English established thriving colonies in No...
Some of the largest female birds in the world were almost twice as big as their male mates. Research carried out by the Zoological Society of London (ZSL) shows that this amazing size difference in giant moa was not due to any specific environmental factors, but evolved simply as a result of scaling-up of smaller diffe...
Bees are under attack around the world. One of their nastiest foes: small hive beetles (Aethina tumida). Native to sub-Saharan Africa, these invaders can completely destroy the hives of common honeybees, which they have been pushing around throughout the U.S. and Australia. "When [small hive beetles] invade a colony, t...
Lesson: Nouns Introduction On a chart write "Noun" at the top. Tell the students that today they are going to learn about nouns. Have students say: Nouns. Ask to show you 1 finger if they've never heard of a noun before, 2 if they have heard of it, and a 3 if they know what it is and could tell someone else what it is....
We can make electricity by constructing a basic generator. This would allow us to change kinetic energy into electrical energy, which in turn could be stored as chemical energy in the battery. simplest generator consists of a coil of wire and a bar magnet. When you push the magnet through the middle of the coil, an ele...
This page contains information to support educators and families in teaching K-3 students about how to wash hands properly. The information is designed to complement the BrainPOP Jr. movie Washing Hands. It explains the type of content covered in the movie, provides ideas for how teachers and parents can develop relate...
Photo shows classic large and small sand masses of the central Sahara Desert, where wind is a more powerful land-shaping agent than water. "Draa" dunes (from the Arabic for "arm") are very large masses of sand, and they appear here as the broad network of yellow-orange sand masses, with smooth-floored, almost sand-free...
The bowhead — which can span up to 65 feet in length and weigh as much as 100 tons — gets its name from its enormous bow-shaped head, which it can use to break through ice up to 23 inches thick to breathe. The researchers found that the whales were not deterred by ice-covered inlets and straits separating the Atlantic ...
all the genetic content contained within an organism. An organism's genome is made up of molecules of deoxyribonucleic acid (DNA) that form long strands that are tightly wound into chromosomes, which are found in the nucleus of eukaryotic organisms and in the cytoplasm of prokaryotic organisms. Chromosomes that are uni...
One of the big applied research fads currently doing the rounds of science is biosensing technology. The rapid development of microbiology and biochemistry techniques has opened up a range of applications for disease detection and therapies. Unfortunately, many of the current methods for detecting important cellular ac...
Other Lesson Plans Introductory Lecture and Learning Objectives Macbeth is the last and shortest of Shakespeare’s four great tragedies (the other three being Hamlet, Othello, and King Lear). It is also considered by many scholars to be Shakespeare’s darkest play in its examination of evil and how briskly morality is sa...
In the second half of the eighteenth century Europe was captivated by the spirit of the Enlightenment. In this period, often called the Age of Reason, a number of bright and bold individuals dared to think for themselves, free from the restrictions of religion and traditional authority. In France and other countries cu...
Although students will not be learning about specific parts of the brain, it might be useful for you to have this information available. The following section explains the four major parts of the brain in more detail. These parts are the cerebral cortex, composed of the right hemisphere and the left hemisphere; the cer...
First Grade Reading Worksheets and Printables First grade reading worksheets help young readers work on their essential early reading skills. These printable reading worksheets encourage six and seven year olds to build their vocabulary, read short narratives, practice reading comprehension, and more. Young readers lea...
Published January 28, 2009 Still worried that the Large Hadron Collider will create a black hole that will destroy the Earth when it's finally switched on this summer? Um, well, you may have a point. Three physicists have reexamined the math surrounding the creation of microscopic black holes in the Switzerland-based L...
A prehistoric shoreline runs along the eastern edge of North America; scientists have pointed to it as evidence that much of Antarctica melted 3 million years ago. But new research suggests this shoreline is actually about 30 feet (10 meters) lower than previously thought, meaning less ice melted than suspected. The sh...
Draw three-dimensional figures on two-dimensional isometric dot paper. Try holding the cubes in different orientations so you can see the possibilities in both the three-dimensional "real world" and the two-dimensional representations on paper. Read the project description for students creating a children’s storybook. ...
An overview of the development of children with Down syndrome (5-11 years) Sue Buckley and Ben Sacks Children with Down syndrome usually make significant progress during their primary school years. In this module, the goals for their development are discussed in the context of the progress in social, academic and perso...
Learn how to simplify expressions involving the multiplication and division of radicals. Shows what to do when a fraction has a square root in the the denominator. Practice Multiplication and Division of Radicals questions A list of student-submitted discussion questions for Multiplication and Division of Radicals. To ...
Acamapichtli (which means "Handful of Arrows" or "Handful of Reeds") (ruled 1376-1395 C.E.) was tlatoani (king, or Great Speaker) of the Aztecs of Tenochtitlan, and founder of the Aztec imperial dynasty. He is considered to be the first “true” emperor of the Aztecs, which was really an alliance of tribes or families. H...
The First State Celebrates Constitution Day 2006 Justice Randy J. Holland Delaware State Courts Separation of powers is the defining principle of the American constitutional form of government. The foundation for both our national and state governments is a horizontal separation of sovereign powers between three indepe...
The riparian forest of the lower Dungeness River (defined as the region downstream from the Dungeness Fish Hatchery, or the lower 10.5 river miles) provides wonderful habitat for a wide variety of birds. The lower Dungeness is relatively unique because it has an unbroken mix of mature coniferous and deciduous trees for...
Detecting exoplanets that orbit at large distances from their stars remains a challenge for planet hunters. Now, scientists at the University of Leicester in the United Kingdom have shown that emissions from the radio aurorae of planets like Jupiter should be detectable by radio telescopes such as LOFAR, which will be ...
French Rivalry, 1562-1565 Spain was not the only European nation that found Florida attractive. In 1562 the Huguenots (French protestants), including Jean Ribault, explored the area. In 1564 fellow Frenchman René Goulaine de Laudonnière established Fort Caroline at the mouth of the St. Johns River, which the French cal...
- slide 1 of 1 Including a preschool farm unit as a lesson plan meets the objective of teaching children all about farms. There are so many things that actually go on at the farm that there are a variety of ways to teach the unit! Use some or all of the suggestions below to help your students learn about farms. Songs a...
The key to pleasant music may be that it pleases our neurons. A new model suggests that harmonious musical intervals trigger a rhythmically consistent firing pattern in certain auditory neurons, and that sweet sounds carry more information than harsh ones. Since the time of the ancient Greeks, we have known that two to...
England - Early Modern Era The Early Modern Era of England began during the reign of the Tudors. Italian members of the court introduced higher levels of art, education and schooling, bringing the Renaissance to England. This caused a general development of the country’s culture. It was during this time that England be...
Although bones of Pteranodon were first discovered in the 1860s, it was not until after the turn of the century that we had a reasonably complete picture of the animal. Its bones are hollow and thin-walled; therefore, they were usually crushed flat. Also skeletons were generally incomplete. Like our model, it was neces...
...in 1885, Jan Matzeliger demonstrated his invention a machine that could finish 75 shoes in a 10-hour day. The most skilled craftsmen working by hand could turn out 50. An improved version of the machine was soon producing 700 shoes per day. An immigrant from Dutch Guiana, Matzeliger, who had settled in Lynn, had ove...
The Need For Voltage Regulation (Please refer to Power Supplies too.) A voltage regulator is added to a power supply to minimise the voltage droop or sag when the load is applied and when the current load varies widely. Some loads, for example a SSB transceiver, present a wide-changing current requirement. The power su...
for National Geographic News With their awe-inspiring architecture and sophisticated concepts of astronomy and mathematics, the Maya were undoubtedly among the great ancient civilizations of Mesoamerica. At the peak of their glory, around 800 A.D., the Maya ranged from Mexico's Yucatán peninsula to Honduras. Then, almo...
White slave movement From Uncyclopedia, the content-free encyclopedia The White Slave Movement refers to the deportation of white Americans for sale in African slave markets. Though highly controversial in its early days of existence, it is now commonly regarded as the best move toward racial equality in American histo...
Back to A History of Minneapolis index page Water was significant in everyday life for those living around the area that would become Minneapolis. Early travelers learned the waterways and traveled by canoe, barge, boat, and steamboat. However, the Falls of St. Anthony prevented large vessels from going much beyond For...
Sometimes scientific instruments themselves are quite remarkable. Take, for example, modern telescopes. Their amazing measuring capacities and the stunning images they provide buoy astronomers' hopes for solving mysteries about the nature of the cosmos. Such understanding also presents powerful new evidence for RTB's b...
Democracy — as we understand the term — began in ancient Athens. Back before the invention of agriculture, when human tribes of hunter/gatherers followed the game herds across the landscape, those tribes had a primitive sort of democracy. Hunting tribes that still exist in remote parts of the world still show that kind...
Symbols of Power in Clothing Worn by the Plains Indians Objectives: Students will be able to: Skills Addressed: Linguistic, Spatial, Intrapersonal. Interdisciplinary Connections: English/Language Arts, Art, Social Studies. Length: Two fifty-minute class periods. Materials: Paper and colored pencils/markers/paints -or- ...
\|This article needs additional citations for verification. (October 2010)\| Induced radioactivity occurs when a previously stable material has been made radioactive by exposure to specific radiation. Most radioactivity does not induce other material to become radioactive. This Induced radioactivity was discovered by Irè...
To live comfortably, humans need a reliable source of fresh water. Many population centers depend on rivers for a steady water supply. In the arid climate of the western United States, though, water can be scarce. Long periods without rain can cause rivers to dry up, interrupting the supply of water. People learned lon...
A “creole” language is defined as a language that developed from the fusion of two cultures. To put it more simply, creole languages are born when parents from a certain culture talk to their children in their second language, but at the same time the second language becomes the first language of children, because it i...
A conference in the United States Colonial history form June 19 through July 11, 1754 in Albany New York. It advocated a union of the British colonies for their security and defense against French Held by the British Board of Trade to help cement the loyalty of the Iroquois League. After receiving presents, provisions ...
since the upper atmosphere was not even thought to exist, it was quite a problem to explain the observations. It was not until the Space Age allowed us to measure the thermal structure of the atmosphere that much progress was made in explaining tides in the atmosphere in any detail. The infamous V-2 rocket, taken as a ...
Classic Novel – Older Literature Scroll down for free resources 1. Select an example of a classic novel to serialise for the class. Use reading journals to record predictions, questions notes and ideas whilst reading. 2.Widen experience of older literature/ classic novel: read extracts aloud and watch extracts of class...
Human Anatomy/Terminology and Organization Anatomy is "the science of the structure of living organisms" so human anatomy is the science of the structure of the human body. This wikibook will hopefully give you a good understanding of what your body is made of and of how it develops. Strictly speaking, how the body fun...
First term we began working on Number Sense and Numeration, such as rote counting, recognizing numerals and matching amounts to numerals. Students also worked on counting on from various points. We have used a variety of math materials to practice these concepts. Here are some of our students using math materials in ou...
It’s a new record. Physicists have trapped 219 beryllium ions in strong electronic and magnetic fields and entangled their quantum properties with lasers. With some further tweaks, these charged particles could carry out quantum calculations that ordinary computers can’t handle. is the “spooky” phenomenon that links up...
What’s next in the Family History Through the Alphabet challenge? Germans! Germans and the German language have a long history in Latvia. Ever since the first bishops of Bremen came to Latvian territory in the late 12th century to Christianize the local populations, Germans have been coming to the Baltics. Today, howev...
Mohandas Karamchand Gandhi was born on 2 October 1869, in Porbander in western India. Gandhi was an Indian political and spiritual leader. Gandhi is famous for working to achieve freedom and equality for all, in India and in Africa. He is remembered for his non-violent creed, and for his belief that black and white peo...
The key ingredients needed to build a dune system include a source of sand, a shoreline perpendicular to the prevailing winds and a low landscape over which dunes can migrate. In addition, plant species that are adapted to survive the drying winds and shifting sands are needed to help shape and build the dunes. Here in...
*Why you should read this: Because it speaks directly to the need for more teachers of color in culturally diverse classrooms. Because “No student (or teacher) leaves their language patterns at the door when they enter a classroom.” Because studies find that teachers favor students who sound like them. VL There isn’t j...
John Reps Bastides Collection About the Bastides In the 13th Century southwestern France was the birthplace of several hundred new planned towns. Some were designed as fortress communities and others were laid out as simple agricultural villages. The great majority, however, had a different function. Known as bastides,...
“Neutral nations managed to tiptoe through a global conflict, avoiding war while protecting their own interests.” By John Anthony Miller ALTHOUGH MANY NATIONS in the global community proclaimed their neutrality during the Second World War, most ultimately leaned toward either the Axis or the Allies for various reasons....
The ventricular system contains sac-like pockets that are filled with cerebrospinal fluid. When the ventricular system of the brain is enlarged, it is known as ventriculomegaly. The lateral ventricles of the brain are less than 10 mm wide in a healthy fetus. However, a fetus that suffers from ventriculomegaly has later...
The Annenberg Classroom breaks down the U.S. Constitution by section and amendment, and explains what the document means and what it says. This thematic lesson plan is designed to introduce lower elementary school students to the life and interests of Ronald Reagan, the 40th President of the United States and the 33rd ...
Scientists have long debated why Neanderthals lived successfully on earth for over 200,000 years and then died off after humans came along, about 40,000 years ago. Some blame it on climate change, while others think humans were more successful at getting food due to social cohesion and the ability to develop advanced t...
A trapezoid is a kind of quadrilateral that has at least two sides that are parallel to each other. A parallelogram is a trapezoid that has two pairs of parallel sides, and a rhombus is a special kind of parallelogram, and so are rectangles and squares. To figure out the perimeter of a trapezoid, you can add the length...
Tree diagrams are often useful for determining compound probabilities and conditional probabilities. Although you will not do a card problem on the final, it is useful for demonstrating how tree diagram are constructed. For this problem you need to remember that there are 52 card in a deck, 13 cards in each suit, and 4...
On this day in history, January 9, 1787, James Armistead, America's slave spy gets his freedom from the Virginia legislature. Armistead was born into slavery in New Kent County, Virginia in 1748 in the household of William Armistead. After Benedict Arnold's treason, he was sent with 1,600 troops to Virginia in early 17...
Many people credit Barnes Wallis with the idea of attacking the dams. Although he did independently think of attacking the dams during the early part of the war, it was the Air Ministry and Bomber Command who first thought up the idea in 1937. However, Wallis must be credited with brining the idea back to life during t...
Scientists know that humans were kicking around the lower altitudes of the Tibetan Peninsula around 10,000 years ago. Permanent settlements, however, didn't show up in the harsh higher altitudes until 3,600 years ago. What happened that allowed ancient settlers to survive in a region nicknamed the "roof of the world"? ...
Bookbinding refers to the physical assembly of a book from a stack of in-order papers comprising the book's pages. The stack is bound together along one edge by either sewing through them or by applying a layer of flexible adhesive. It's an age-old process that began in the first century A.D. Before that time, "documen...
The purpose of most grammatical comma rules it to provide clarity. Sometimes, there is not a specific rule that creates the clarity your words need to make complete sense to your readers. Without this clarity, what you are trying to say is lost. When you encounter a situation that you cannot apply a specific rule, but ...
Teachers use arrays to show students a visual representation of multiplication by arranging objects or pictures in rows and columns with specific numbers. To demonstrate 3 x 4 = 12, the teacher gives students an example such as three groups of children each receiving four apples. The array demonstrating this is a pictu...
September 24, 2013 Rainfall Redistribution Will Make Some Areas Warmer And Drier April Flowers for redOrbit.com - Your Universe Online A new study from Columbia University's Lamont-Doherty Earth Observatory reveals that a northward shift of Earth's wind and rain belts could make a broad swath of regions drier. The find...
Having the ability to reproduce both sexually and asexually, a process known as heterogamy, can be highly advantageous when members of the opposite sex are scarce. It could be used as a potential survival mechanism to ensure reproduction in a particular population does not cease. Although it may sound confusing, many k...
Students learn about tessellation with shapes. More able students consider the angles of each shape. Less able practise tessellating with triangles and quadrilaterals.The lesson begins by recapping the properties of quadrilaterals. In the development phase they learn about the properties of tessellation and explore the...
Silesia, Polish Śląsk, Czech Slezsko, German Schlesien, historical region that is now in southwestern Poland. Silesia was originally a Polish province, which became a possession of the Bohemian crown in 1335, passed with that crown to the Austrian Habsburgs in 1526, and was taken by Prussia in 1742. In 1945, at the end...
On this day in 1789, America’s first presidential election is held. Voters cast ballots to choose state electors; only white men who owned property were allowed to vote. As expected, George Washington won the election and was sworn into office on April 30, 1789. As it did in 1789, the United States still uses the Elect...
Around the world at any given moment, approximately 1,800 thunderstorms are occurring. That's equal to 16 million per year. On average, there are 100,000 thunderstorms in the United States annually. Approximately 10% of those are rated severe. The most frequent storm activity happens during seasonal changes; from fall ...
The Munich Conference took place between the 28th and 30 September 1938 when the Soviet Union, Germany, Britain, France, and Italy met to decide how to cope with Germany’s aggression in Czechoslovakia during the Sudeten crisis. The partecipating states decided to enforce a treaty where they would allow Germany to elimi...
Ok, it's not a real geode but this simple but fun experiment can help kids understand they are formed. To be honest, how geodes are formed is still a phenomena but scientists have a couple of theories one of these theories is lava! First here's how to make your own geode... You will need: - Clean empty egg shells - A j...
The latest news about space exploration and technologies, astrophysics, cosmology, the universe... Posted: Nov 07, 2014 Lightning flashes from a black hole (Nanowerk News) The radio galaxy IC 310 in the Perseus constellation is approximately 260 million light years away from Earth. Astronomers assume there is a superma...
Today the country celebrates the birthday of Dr. Martin Luther King, Jr. Most of us think of Dr. King as a genuinely important American thinker, and one whose life and actions permanently changed some important values and thought processes in this country when it came to racial equality and affirming communities in the...
Understanding singular pronouns is important so that you can make sure that there is agreement between the subject and verb or the pronoun and antecedent in a sentence. If one is singular, the other must be singular too. All pronouns are words that takes the place of a noun. The prefix “pro” means “for,” so a pronoun i...
Add a Prefix! Students will learn the meanings of various prefixes. Introduction (5 minutes) - Tell your students that they will learn about prefixes today. - Ask your students if they know what a prefix is. Explicit Instruction/Teacher Modeling (10 minutes) - Tell your students that a prefix is a word that is added to...
People have been talking about the possibility of clean coal, and carbon capture and storage (CCS), for years. So far, however, real world examples of CCS have remained limited to a few pilot projects. The problem is that it is extremely expensive, and given that a tax on carbon seems politically unfeasible, there is l...
Useful Notes / Harriet Tubman "Harriet Tubman didn't take no stuff Wasn't scared of nothing neither Didn't come in this world to be no slave And wasn't going to stay one either." —"Harriet Tubman" (poem) by Eloise Greenfield Harriet Tubman was born sometime in the 1820s , a slave on an American plantation in Maryland. ...
What is Palladianism? Palladianism was an approach to architecture strongly influenced by the sixteenth century architect Andrea Palladio. Characterised by Classical forms, symmetry, and strict proportion, the exteriors of Palladian buildings were often austere. Inside, however, elaborate decoration, gilding and orname...
North Sea War - 1658 to 1661 In 1655, Charles X Gustav of Sweden invaded and occupied the western half of Poland–Lithuania, the eastern half of which was already occupied by Russia. The rapid Swedish advance became known in Poland as the Swedish Deluge. With a Swedish victory against Poland-Lithuania in 1655, the war d...
Science Primary Resources Our primary resources for Science are a great tool for helping your pupils with their science projects and field experiments. Covering fun facts and in-depth features on animals, habitats and life cycles, as well as out of this world resources on space, the solar system and being an astronaut,...
San José State University Department of Economics & Tornado Alley of Ancient China, 720 BCE to 480 BCE The Spring and Autumn Period was the time of the Eastern Zhou dynasty politically but it was the age of Confucius (Master K'ung) philosophically. He articulated the principles that justified the feudal system of the t...
The Antartic Ozone Hole A hole in the ozone layer, covering an area larger than the Antarctic continent, was discovered in 1985 by Joe Farman and his colleagues on the British Antarctic Survey. They discovered a general thinning over the whole globe - a 3% decrease since 1969, but with greater depletions in middle and ...
Presentation on theme: "Sparta and Athens Key Terms: Alliance Peloponnesian War What’s the big idea? The two most powerful city-states in Greece, Sparta and Athens, had very different."— Presentation transcript: Sparta and Athens Key Terms: Alliance Peloponnesian War What’s the big idea? The two most powerful city-stat...
There have been many great writers in the history of English literature, but there is no doubt about which writer was the greatest. Many people consider William Shakespeare to have been the best writer who ever lived. William Shakespeare was born in the town of Stratford, England, in the year 1564. When he was a young ...
\|This website is not longer active. Visit www.wallerisd.net to be redirected.\| \|Fourth Grade Team\| Welcome to 4th Grade! Our goal is to make sure each child has the opportunity to learn, grow, and be successful...it's going to be an Within a well-balanced mathematics curriculum, the primary focal points at grade 4 are ...
How can I create a miniature story? The Basic Idea Children zoom into their local surroundings using photographic equipment. They take photos and use these locations to write and set a 'The Borrowers' style story. Where miniature people live in a close up version of the local area! In more detail... Watch a clip of 'Th...
As we mentioned earlier, national governments and their corresponding central banking authorities formulate monetary policy to achieve certain economic mandates or goals. Central banks and monetary policy go hand-in-hand, so you can’t talk about one without talking about the other.While some of these mandates and goals...
In this offering, you will engage in a variety of exercises and activities to develop a practical understanding of the critical role that building knowledge and vocabulary plays in the CCR Standards and in students' ability to read and communicate proficiently. The session will also highlight the impact on learner gain...
Antibiotic resistance is a major threat to public health. Resistance makes it harder for physicians to treat infections and can increase the chance patients will die from an infection. What is more, the treatment of antibiotic-resistant infections poses a huge cost to health-care systems. Patients have to stay in the h...
To know how planets form, we first have to know a little about how stars form. Stars form from giant clouds of cold gas; when this gas gets cold and dense enough, it will start to collapse inward under its own weight. When it does this, the cloud will start to rotate a little. The more the cloud collapses, the more it ...
The Hubble Telescope spotted a rare collision that formed when a small galaxy hit the center of spiral galaxy NGC 922, shooting out the other side, forming a ring structure 330 million years ago. Galaxies merging and colliding is not uncommon, but this structure is because the galaxies had to hit at a precise spot and ...
Electronic Plants Created20/11/2015 Originally published in the journal 'Science Advances', this study comes from the Laboratory of Organic Electronics (LOE) at Linkoping University, under the leadership of Professor Magnus Berggren. By augmenting living plants with electronic functionality, Berggren's team were lookin...

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