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Scientists reveal that some marine species are able to protect others from dangers of climate change – by shielding them from heat When climate change hits certain countries, they are able to adapt and survive. Places with excessive resources can change their agricultural systems, migrate a community, or implement tech...
The Black Death, also known as the Bubonic Plague, was a devastating pandemic that swept through Europe in the 14th century. It is estimated to have killed between 75-200 million people, or up to 50% of the continent’s population. The plague was spread by fleas on rats, and was transmitted to humans through bites. Symp...
The history surrounding seawalls is vast and dates back thousands of years to the Roman Empire and the first century BC. The breakwater wall was built as a safeguard to protect Caesarea Maritima, not only from harsh weather conditions, but also to keep out enemies. This wall is still standing today. Over time, the cons...
Desertification is widespread in many areas of China. The populations of rural areas have increased since 1949 for political reasons as more people have settled there. While there has been an increase in livestock, the land available for grazing has decreased. Also the importing of European cattle such as Fresian and S...
Series And Parallel Circuits Worksheet. It is a bundling of worksheets on series and parallel circuits. Students discover collection and parallel circuits via team exploration. You can download the paper by clicking the button above. Questions ask what DC circuits should comprise in addition to the aim of a variable re...
Autism (or Autism Spectrum Disorder) is a lifelong developmental disability which affects the way in which a person communicates, and how they experience the world around them. It is considered a spectrum condition but it is not linear from low to high severity, it varies similarly to how the condition itself can vary ...
Governor vs Senator Governors and senators are important public figures in United States polity. There is a bicameral legislature at the federal level in the country with the upper house being called the senate. Members of this senate are called senators with each state of the country providing two representatives to t...
Symmetric encryption is a fundamental technique in cybersecurity that is used to protect data by encoding it in such a way that it can only be accessed by those who have the proper decryption key. This type of encryption is called symmetric because the same key is used to both encrypt and decrypt the data. One of the m...
You are here The Venusian clouds kept astronomers from seeing the planet's surface. Without visible landmarks, they could not measure how fast Venus turns on its axis. It took cloud-penetrating radar, first aimed at Venus in the early 1960s, for scientists to discover that Venus rotates backward as compared to the othe...
Introduction to Python — Session 7 In this session we cover: - What are functions and why we use them - Creating your own functions - DRY Principle - Calling functions - Returning values from Functions Write your code - Write a function that prints your name - Write a function that accepts a name as a parameter and pri...
Would you agree that it’s a Noisy Planet? You hear loud noises at school, home, concerts, sporting events, and just about anywhere else. Sounds can be harmful when they are too loud, even for a short time, such as an ambulance siren passing by on the street. Sounds can also be harmful when they are both loud and long-l...
As we take time to celebrate the life of Dr. Martin Luther King, Jr., a spokesman and activist for the Civil Rights Movement during the 1950s and 1960s, we are grateful for his efforts to end racial discrimination across all levels of society and government. While Dr. King’s 1963 March on Washington “I Have a Dream” sp...
In Love with February Library Reading PostersJanuary 17, 2018 7 Ways to Shelve Library Books FastJanuary 31, 2018 As librarians, we know the importance of reading. But, it is also essential to read to students aloud. Not only is reading aloud to students building language and vocabulary, but it is also sparking childre...
This month we look at the role music played in the lives of enslaved African Americans. For almost two hundred and fifty years, many of those of African descent were forced to work for their capturers. During this period, enslaved people found unique ways to create music, in both composition and instrument. Enslaved Af...
Students reflect on initial questions, what they learned, what else they could investigate or try and what they could have done differently. They transfer learning to new situations and plan next steps. As educators guide students through the Reflect component, they may refer to Figure 5 to give consideration to the pl...
For three days in 1863, the battlefield at Gettysburg was an uproar of battle. As the Confederate Army of Northern Virginia attempted to break through Union lines, they met stiff resistance. The battle resulted in over 51,000 casualties – the highest number of casualties in any single day of the American Civil War. The...
Uranus is the seventh planet from the Sun, and has the third-largest diameter in our solar system. It was the first planet found with the aid of a telescope. Uranus was discovered in 1781 by astronomer William Herschel, although he thought it was either a comet or a star. It was two years later that the object was univ...
Biodiversity is crucial to the existence of life in its current form on Earth. However, with increasing human imposition and interference in earth’s reserves and processes, several species of flora and fauna are pushed to the verge of extinction. In fact, biologists have estimated that species extinctions are currently...
- Notes are neatly organized, summarized, and easy to review - Allows learners to pull out major ideas and concepts - Useful for visual learners who struggle with studying from notes. - Helps learners remember and connect relationships between topics and concepts. - Facts are organized and easy to review. - Highlights ...
Traveling through space has always been a difficult task, as the distances between planets and even more between solar systems and galaxies are incomprehensible. Science fiction makes things look easy using space warp engines and wormholes in space. There has been much speculation about the idea that there is a way to ...
There is mounting evidence that Earth’s climate is changing. Still, there are so many different ideas and opinions on the issue that we don’t always know how to talk about it. We do know that patterns of extreme weather, pollution, and the availability of natural resources are linked to climate change. But how? What ro...
Encouraging Language Development in Your Preschooler Children's language development is likely to progress faster when they are often given the chance to interact with both children and adults. Talking with other children Children who often play with others who are about the same age usually gain expressive language sk...
One of the Renaissance most important painters The Spanish Golden Age (Spanish: Siglo de Oro, "Golden Century") is a period of flourishing in arts and literature in Spain, coinciding with the political rise and decline of the Spanish Habsburg dynasty. El Siglo de Oro does not imply precise dates and is usually consider...
Our lesson plans are written and reviewed by educators using current research and the best instructional practices and are aligned to state and national standards. Choose from hundreds of topics and strategies. Find the latest in professional publications, learn new techniques and strategies, and find out how you can c...
Let's begin with a small mental exercise: Look at an object close to you, observe its color and think about what that color actually is and what it evokes in you. "Color is not a real thing," explains Professor Ariel Chipman, a senior researcher from the Department of Ecology, Evolution and Behavior at the Hebrew Unive...
The first settlers in Nebraska Territory found the lack of timber, except along creek and river banks, a problem. The consequent lack of fuel for heating and cooking caused an early search for firewood substitutes. No coal, at least in substantial quantities, was ever found in Nebraska, and settlers had to experiment w...
Comets have intrigued, fascinated and had man a little wary for more years than one could ever imagine. Most people find the presence of a comet lighting up the nigh sky quite magical and mesmerizing. While comets are no rarity to our solar system they are very seldom witnessed by the naked eye. Comets are in orbit aro...
Bat behavior and ecology is a fascinating field of study and may scientists are working to further develop our understanding of bats, but we still have much to learn. We do know, however, that bats are important creatures worth protecting and that we all play a vital, active role as participants in and stewards of, the...
What are trade tokens and who issued them? At many times in British history there has been a problem with a shortage of small denomination coins. This was the currency of the common people. All labourers would have been paid using small coins, they would have paid for their bread and other goods in small coins. The sma...
The area that is now West Virginia was primarily a hunting ground of the early Native Americans. The early European settlers discovered several man-made earthen mounds all throughout West Virginia. The largest concentration of them was found in the areas of Greater Charleston, Moundsville and the Eastern Panhandle of t...
Data from the NASA/ESA/ASI Cassini spacecraft indicate that Saturn's majestic ring system has its own atmosphere - separate from that of the planet itself. During its close fly-bys of the ring system, instruments on Cassini have been able to determine that the environment around the rings is like an atmosphere, compose...
Chickenpox is one of the classic childhood diseases, and one of the most contagious. The affected child or adult may develop hundreds of itchy, fluid-filled blisters that burst and form crusts. Chickenpox is caused by a virus. The virus that causes chickenpox is varicella-zoster, a member of the herpesvirus family. The...
Step By Step Lessons to Find the Area of a Circle If you want to learn or teach how to find the area of a circle when its radius is given then visit this page. Free pdf worksheets and lessons to print..... Visit this page if you want to print lessons and worksheets on how to find the area of a circle when you know its ...
Over the years through his poems and philosophy, through his speeches and writings, his letters andlectures, Allama Muhammad Iqbal laid a great influence on cultural, social, political and social disputes of the Muslims and Non-Muslims of the sub-continent. He promoted ideas of Muslim unity, shedding of national differ...
The old Dutch entrance An original map of the fort A map of Galle A view of Galle Founded in the 16th century by the Portuguese, Galle reached the height of its development in the 18th century, before the arrival of the British. It is the best example of a fortified city built by Europeans in South and South-East Asia,...
- Grades: 3–5, 6–8 Born a slave, Harriet Tubman escaped through the Underground Railroad and then spent years helping other slaves to escape as well. After the Civil War, she continued to help those less fortunate by opening her home to the needy and homeless. In the following activity, you will learn more about her li...
Was Tyrannosaurus rex cold-blooded? Did birds regulate their body temperatures before or after they began to grow feathers? Why would evolution favor warm-bloodedness when it has such a high energy cost? Questions like these -- about when, why, and how vertebrates stopped relying on external factors to regulate their b...
Lyme disease is a bacterial infection that is spread through the bite of one of several types of ticks. Borreliosis; Bannwarth syndrome Lyme disease is caused by bacteria called Borrelia burgdorferi (B. burgdorferi). Blacklegged ticks and other species of ticks can carry these bacteria. The ticks pick up the bacteria w...
Industries & Professions / Pulp and Paper Before pulp-derived paper was manufactured, the ancient Egyptians wrote on a paperlike material made by cutting papyrus reeds into strips, arranging them in perpendicular crisscross patterns, and pounding them into sheets. The pressure released a glue-like sap that bound the st...
Reversible reactions are ones that can go forward and backwards depending on the conditions. A very simple example is melting ice, this is not a reaction, yet it has the same idea. If you heat a block of ice it melts into water, consider this the forward direction of the reaction. If you freeze the water, it turns back...
In Roman Catholicism, a person who tries to take the place of the legitimately elected pope. Some antipopes were elected by factions in doctrinal disagreements, and others were chosen in double elections arbitrated by secular authorities or picked as third candidates in an effort to resolve such disputes. The earliest ...
How Deep Is the Moon’s Dust? Did you know that the actual dust on the surface of the moon is thousands of times less than expected by those who think the Earth is billions of years old? All of us know that if something has a lot of dust on it, it probably hasn’t been cleaned in a long time. If something has very little...
The City of Natchitoches was established in 1714 by Louis Juchereau de St. Denis, making it the oldest permanent settlement in the Louisiana Purchase Territory. A thriving agricultural economy had developed along the banks of the river by the time the region was acquired by the United States in the 1803 Louisiana Purch...
With England and Spain at war (the War of Jenkins' Ear, 1739-1748 & King George's War, 1744-1748) Spanish privateers appeared off the coast of North Carolina, and terrorized inhabitants of Ocracoke a number of times. Sailing vessels were captured, and cargo confiscated. A Spanish tent city was established on Ocracoke I...
Getting along with others This lesson introduces the key concepts of cooperation, peer relations, interpersonal skills, getting along with others, and team-building. A lesson plan for grades K–5 Guidance and Healthful Living - review and learn additional benefits of getting along with others. - review and learn additio...
Tonight when the new Moon rises, or in the next few nights when the Moon is a slim crescent, go outside and look up. You might see Earth’s reflected light in the dim glow. A new Moon occurs when all of the Sun’s light is reflected away from Earth, and the side of the Moon facing Earth is barely visible, as illustrated ...
At its peak, 1,400 years ago, the 2-million-strong Maya population needed salt, and lots of it, to survive in the heat of Central America. Used for cooking and preserving food, the mineral represented a crucial part of society. Scientists have long thought the salt came from large-scale production on the northern side ...
On the last day of my trip to the north woods along Lake Huron, I discovered these pitcher plants in a bog. \|This plant is about the size of a large pizza pan.\| - As carnivorous plants, there is a prey-trapping mechanism. The mechanism found in these pitcher plants is a deep cavity filled with liquid. The "well" is act...
A good fraction of the universe's first stars may have been born in pairs, a new study suggests. Since each star in a pair is likely to be smaller than a single star created from the same natal material, the work may help explain why so far no evidence has been found for exotic physical processes thought to occur in su...
Development from egg to adult is a continuous process, just like the development of a human embryo from a single cell to a completely formed baby. However, it is useful to think about development during the egg, larval, pupal and adult stages separately. Most of the work described below has actually been done on other ...
Indian Society is among the oldest in the world and varied and complex in its heritage. But about 200 years of colonial rule changed its socio-cultural process. India was turned into an appendage of the British empire. British colonial policy transformed its economy, society and polity. The British colonial authority w...
Union of Utrecht \|\|This article includes a list of references, but its sources remain unclear because it has insufficient inline citations. (January 2013)\| The Union of Utrecht (Dutch: Unie van Utrecht) was a treaty signed on 23 January 1579 in Utrecht, the Netherlands, unifying the northern provinces of the Netherland...
Teachers Lesson Plans Build a Neighbourhood: Grade K-3 This lesson plan introduces students to the theme of the city in art, using 19th- and 20th- century works by Canadian artists from various backgrounds. Through collage and drawing, each student uses shapes to build their imaginary home to form a class neighbourhood...
by Kristen Minogue On a hot afternoon in July, a team of researchers sailing down Chesapeake Bay stumbled across a cluster of striped bass floating in the water. About a dozen of the iridescent black and silver fish bobbed at the surface near the ship’s bow. All of them were dead. The fish kill came out of a low-oxygen...
In the February issue of New Phytologist, Tulane University biologists examine why leaf-cutting ants target some plants and avoid others, concluding that high levels of friendly fungi in the leaves of some plants protect them from destruction by ants. Leaf-cutting ants defoliate crops, causing billions of dollars of da...
Modern European Cultural History Northern Humanism, the Northern Renaissance, Religious Reformations, and Late Mannerism, The Western Humanities, Chapter 13. 1. Summarize the intellectual, political, economic, and cultural setting or context in which the Northern Renaissance took place. Pay particular attention to simi...
ETHNONYMS: Schlesien (German), Silésie, Slask (Polish), Slezko (Czech) The name "Silesia" refers to a large, lozenge-shaped region in central Europe, mainly in the upper basin of the Oder River, which lies to the northeast of the Sudetic Mountains. The Oder River forms the northeastern border of the territory. Germany ...
for National Geographic News Much of the western U.S. may be headed into a prolonged dry spell—a "perfect drought," scientists say, that could persist for generations. The West already has been dry for six years and is looking to be dry again in 2007, said Glen Macdonald, an ecology professor at the University of Calif...
it has to be medieval and a story written with facts! 2 Answers \| Add Yours Perhaps the best monarch of this era to research is England's King John who was forced to sign the Great Charter; otherwise known as the Magna Carta. In the year 1215 the Barons forced the King to agree to this document that provided them their...
The story that the Pilgrim Puritans held the first Thanksgiving in 1621 is a myth meant to tie American with a solid Anglo-Protestant foundation. Doubtlessly there were plenty feasts giving thanks by American Indians during the America's prehistory. The first recorded Thanksgiving was held by the Spanish and local Timu...
Antarctic Ice Sheet Preserves Invisible Mountain Range - 1:10 pm \| Buried deep beneath East Antarctica’s ice sheet, the Gamburtsev Mountains are the world’s most invisible range. New research suggests that overlying ice like that hiding them from view today could have preserved their rugged topography for the past 300 ...
The discovery of planets around other stars has led to the realization that alien solar systems often have bizarre features - at least they seem bizarre to us because they were so unexpected. For example, many systems have giant planets closer to their star than Mercury is to the Sun, while other have the opposite - gi...
The early explorers were taken over America by Indian guides. The Indian introduced them to the wonders of the New World, the rivers, lakes and mountains. It was natural for the explorers to learn the Indian names for the places they found. In many cases, those pleasant sounding Indian names have stayed with us. The so...
Intercollegiate athletics first appeared on Alabama campuses in the late nineteenth century, when football quickly became the most popular team sport, trailed at some distance by baseball and basketball. Across the Deep South, competitive sports and all other aspects of higher education were rigidly segregated. When Al...
Unlike what you might have learned in elementary school art class, the sun isn't always yellow. A new photo from the NASA Goddard Space Flight Center shows that it could be red, green or even purple. It just depends on how you look at it, or more accurately, how the Solar Dynamics Observatory looks at it. Using the Atm...
The idea of equal rights resulted from the emergence and the ascent of the bourgeoisie in 17th and 18th century Europe, and was in the first instance, a tool for the protection of their interests. The bourgeoisie was, compared to the aristocracy, a relatively open class. One could enter and leave this class in a relati...
On this day in 1944, the British 8th Army breaks through the Germans' "Gothic Line," a defensive line drawn across northern Italy. The Allies had pushed the German occupying troops on the Italian peninsula farther and farther north. On June 4, U.S. Gen. Mark Clark had captured Rome. Now the Germans had dug in north of ...
In ontogeny, TIMING IS EVERYTHING. In zebras, for example, the striped pattern is determined by a series of genes that "turn on" the production of a dark pigment (melanin) on only certain parts of the body. This can happen at any point in development, and differs between species. This is why different species of zebras...
Roll over photos for details of energy recycling projects. The first step to understanding CHP is to know what it is not. The typical U.S. power plant is only about 33 percent efficient, using three units of fuel to produce one unit of electricity. The rest gets turned into waste energy, mainly heat that’s vented into ...
\|Yale-New Haven Teachers Institute\|\|Home\| The catholic Irish Americans embraced the celebration of St. Patrick's day. It is a partly festive, partly religious holiday celebrated annually on March 17th. Each year church services are followed by parades and parties commemorating the life of their patron saint and his gif...
In about 1100 B.C., according to the ancient Greeks, a group of men from the North, who spoke Greek, invaded the Peloponnese. There could have been such an invasion, in which case it might explain the loss of the Mycenaean civilization, but we just don't have the evidence. The end of Mycenaean civilization led to a Dar...
NetLogo Models Library: ## WHAT IS IT? This project models a classic example of natural selection - the peppered moths of Manchester, England. The peppered moths use their coloration as camouflage from the birds that would eat them. (Note that in this model, the birds act invisibly.) Historically, light-colored moths p...
Effects of Dumping Sewage Water Directly Into the Sea, A Project by Students in Saida, Lebanon DID WE CHOOSE THIS PROJECT? of Water Pollution: IS DOMESTIC SEWAGE? WHY IS DOMESTIC SEWAGE A PROBLEM? sewage contains a wide variety of dissolved and suspended impurities. It amounts to a very small fraction of the sewage by ...
The 15th century saw the waning of the Ashikaga Shogunate, followed by a Warring States period whose violence dominated most of the 16th century. Japan finally emerged from this era of turmoil through the conquests and reforms of the three great unifiers. The Tokugawa period (1600 – 1868 CE) ushered in a lasting age of...
PERHAPS we should thank rapid-assembly asteroids for spawning the planets. New simulations suggest that dense swarms of boulders collapsed under their own gravity to make the building blocks of our solar system. The planets are thought to have formed from a disc of dust and gas around the infant sun. The initial proces...
Indian Mutiny Medal, with bar for Lucknow, awarded to Pvt. J. McCarthy, 1858Image["Indian Mutiny Medal, 1858-1859"] Obverse, a bust of Queen VictoriaImage["Indian Mutiny Medal, 1858-1859"] Reverse, Britannia before a lion standing facing left, she with a wreath in her right hand Indian Mutiny Medal, 1858 The Indian Mut...
Network Operations Center (NOC) UEN Security Office Technical Services Support Center (TSSC) Eccles Broadcast Center 101 Wasatch Drive Salt Lake City, UT 84112 Main Curriculum Tie: Background For Teachers: Student Prior Knowledge: Intended Learning Outcomes: Anticipatory Set: Provide a slide. powerpoint picture, transp...
The 20 enjoyable, interactive classroom activities that are included will help your students understand the text in amusing ways. Fun Classroom Activities include group projects, games, critical thinking activities, brainstorming sessions, writing poems, drawing or sketching, and more that will allow your students to i...
David Blackburn Slideshow8 Photos Dr. David Blackburn studies the evolution and distribution of frog species in Africa, along with the origin and spread of chytrid fungus, a major threat to frog species worldwide. It takes a finely tuned ear to describe the characteristics of a frog's call—is it chirping, trilling, or ...
Henry Clay Frick, the grandson of a wealthy businessman, was born in Pennsylvania in 1849. At nineteen Frick started work as a bookkeeper with his grandfather's company. With the help of family money, Frick began buying coal mines. This was a highly successful venture and he eventually controlled 80 per cent of the coa...
]. Parts of Speech Parts of Speech.—Greek has the following parts of speech: substantives, adjectives, pronouns, verbs, adverbs, prepositions, conjunctions, and particles. In this Grammar noun is used to include both the substantive and the adjective. Inflection is the change in the form of nouns, pronouns, and verbs w...
Through brainstorming and discussion, this activity leads participants to define what it means to be human and to relate human rights to human needs. \|\|1 hour or 3 separate \|\|Blackboard or chart paper, chalk or markers Optional: Copies of Part I, A Short History of Human \|\|Preschool - Adult groups \|\|Fits well with Acti...
As far as we can tell, the expansion of the Universe started many billions of years ago from a very hot, very small state. From that hot, small state, it mushroomed and evolved into the Universe we know today. Cosmologists call that process of expansion the Big Bang because at some phases, especially in the beginning, ...
Copyright © 2007 Dorling Kindersley Magnetism is an invisible force that attracts or repels some materials, such as iron and steel, but not others, like plastic and silver. In a magnetic material, the atoms line up in groups or regions called MAGNETIC DOMAINS. Every magnet has a north magnetic pole and a south magnetic...
The task of this unit is to impart knowledge about the Holocaust and to make the students aware of the dangers of prejudice. This unit deals with the subject of the genocide of the European Jewry during World War II. It relates briefly the history of the Holocaust; how prejudice and scapegoating created a climate of op...
World's first operation in zero gravity French doctors this week carried out the world's first operation on a human in zero gravity, using a specially adapted aircraft to simulate conditions in space. During a three-hour flight from Bordeaux in southwest France, the team of surgeons and anaesthetists successfully remov...
A Church Gathering. From the first years of its existence, the Mormon Church sparked violent opposition from other Americans. This violence claimed many lives, including Mormon prophet Joseph Smith's, and eventually led to the Mormons seeking refuge outside the boundaries of the United States. Opposition for Worldly Re...
Techniques as simple as encouraging conversation in preschool promote long–term academic success. story by Kim Fischer, CLA ´94 "Does anyone know what a ´herd´ is?" Trinette Ingram, a teacher at the St. Paul Community Head Start center in Baltimore, asks a group of 3– and 4–year–olds as she points to a picture on the c...
It turns out that the elliptical orbit of the Earth has little effect on the seasons. Instead, it is the 23.45-degree tilt of the planet's rotational axis that causes us to have winter and summer. The diagram below demonstrates what happens. In this diagram, you can see the axis of rotation and the equator. The Norther...
Western red colobus monkeys live in in West Africa in large groups of up to fifty members. They are leaf-eaters and use their colour vision to select the youngest leaves, since these are protein-rich and more easily digested. Their stomachs are particularly large to allow them to cope with large quantities of low-value...
History Of The Old Navy The United States Navy has been the country’s source of protection from the sea since the late 1700s. Since the 1920s, the U.S. Navy has achieved the status of the world’s largest navy. From the old days with sailing ships fighting in the American Revolution to the new modernized ships protectin...
Light refracts because of the differential slowing of light of different wavelengths as it passes through a medium. This means that light, which is normally made up of various wavelengths of electromagnetic radiation, reacts to a medium such as liquid or glass by slowing down. This slowing is uneven, and the rate depen...
These whales are found in all oceans and adjoining seas, except polar and tropical regions. These animals occupy temperate and subpolar regions in the summer, but migrate to sub-tropical waters during the winter. These pelagic whales are found far from shore. The largest known Sei whale measured 20 meters in length, al...
...in 1855, Captain Absalom Boston of Nantucket died. In an era when many African Americans worked as seamen, Absalom Boston stood out. In 1822 he captained an all-black crew on the whaleship Industry. That was but one unusual aspect of the voyage. Captains were usually respected but rarely liked. Boston's crew, howeve...
Amphibians first appeared on Earth during the Devonian period, which was more than 400 million years ago. While this period is most famous for producing an abundance of fish, it also gave rise to the transition between fish and amphibians. It was during the Carboniferous period that amphibians flourished.Continue Readi...
Midwest was a place of environmental tumult, forming and reforming in shifting equations of ice and water, climate and topography. Before people arrived, hundreds of thousands of years of advancing and retreating glaciers scoured the land—until a warming trend loosened the cold’s grip. The first midwesterners likely ar...
According to recent reports, a megamaser galaxy named IRAS 16399-0937 located more than 370 million light-years from Earth is around 100 million times brighter than the masers found in galaxies like the Milky Way. The entire galaxy acts as an astronomical laser that beams out microwave emission rather than visible ligh...
The bright central area of the Occator crater on Ceres is known as the Cerealia Facula. Its age is approximately 30 million years younger than the age of the crater in which it is located. This was reported by the scientists of the mission “Dawn” (NASA), who presented the full results of their research in the Astronomi...
Composed of only about 150 species, the Choanoflagellata are not a diverse group of protists. They are small single-celled protists, found in both fresh waters and the oceans, taking their name ("collar-flagellates") from the circle of closely packed microvilli, or slender fingerlike projections, that surrounds the sin...
Bed load and suspended load. Winds in the desert are often extreme and unrestricted by trees and vegetation. Wind can be an effective erosion and transportation agent if it is strong and blows across fine‐grained sediment such as sand, silt, and clay. A wind's bed load consists of the heavier grains (usually sand) that...

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