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Tag: "famous" at biology news

Envisat captures first image of Sargassum from space

...ct climate change. Credit: ESA Sargassum seaweed, famous in nautical lore for entangling ships in its dense floating vegetation, has been detected from space for the first time thanks to an instrument aboard ESA’s environmental satellite, Envisat. The ability to monitor Sargassum globally will allow resear...

Undergraduate research shows leaderless honeybee organizing

...ignal” and “worker piping.” Different from the famous “waggle dance” that foraging worker bees perform to tell other bees where to find a food source, the vibration signal appears to be a more general, multi-purpose form of communication. Schneider has concluded that this signal, which consists of one b...

Massive herds of animals found to still exist in Southern Sudan

...d represent larger numbers than even those of the famous Serengeti migrations. “We cannot risk losing this amazing natural resource now,” said Fay. The Wildlife Conservation Society is calling for the creation of a Sudano-Sahel Initiative, based on the model of the Congo Basin Forest Partnership, to fos...

Dinosaur hearing, listening to muscle noise, quieter cubicles

...rogram will conclude with ensemble performances of famous pieces (1eID1). On Tuesday morning, June 5, sixth-grade students will experience hands-on demonstrations of acoustics, including musical instruments and a "ping-pong cannon" that creates shock waves as it shoots balls at high speeds. On Tuesday aft...

Imaging pinpoints brain regions that 'see the future'

...to develop a vivid mental image of themselves or a famous celebrity participating in a range of common life ...ch an event in their future life; or, to picture a famous celebrity -- specifically former U.S. President Bill Clinton -- participating in such an event. T...

Nanotechnology meets biology and DNA finds its groove

...looking more like a battered ball of yarn than the famous double helix. To study it, scientists generally are forced to work with collections of molecules floating in solution, and there is no easy way to precisely single out individual molecules for study. Now, however, scientists have developed a quick...

Darwin's famous finches and Venter's marine microbes

...fore we fully understand it all." Just like the famous ornithologist John Gould who had to classify the Galápagos finches before they led Darwin on the right track, Manning and many others have been busy during the last couple of months wading through roughly 7.7 million sequenced snippets of sea-borne g...

Immunization rates hit record high in poor countries

...g problem: In Shenandoah National Park most of the famous towering hemlocks are now dead. The adelgid has ravaged parts of Kentucky, North Carolina and the Smoky Mountains. Expanding northward, it has moved through Massachusetts into southern Maine and New Hampshire. The only natural deterrent to the ade...

Fungal factories may save hemlock forests

...g problem: In Shenandoah National Park most of the famous towering hemlocks are now dead. The adelgid has ravaged parts of Kentucky, North Carolina and the Smoky Mountains. Expanding northward, it has moved through Massachusetts into southern Maine and New Hampshire. The only natural deterrent to the ade...

Reef warns of sea level rise

...iver in WA, famed for its wine, is about to become famous for another reason: warning coastal dwellers what they may have to cope with under global warming. A fossil coral reef, lying several metres above today's high tide mark at Foul Bay near Margaret River, points to the high point of the last major sea...

From hot springs to rice farms, scientists reveal new insights into the secret lives of archaea

...ing atmospheric heat than carbon dioxide, the more famous greenhouse gas. A United Nations panel also found that methane levels in the atmosphere have increased by 150 percent since 1750. It turns out that the international demand for rice is one of the main drivers of methane production on the planet. S...

Sunflower speciation highlights roles for transposable elements in evolution

...f each hybrid species. Transposable elements, made famous by Barbara McClintock in her study of their behavior in maize, are related to infectious retroviruses and are capable of multiplying and inserting themselves at different points throughout a host genome. They are found in virtually all eukaryotic gen...

'Fruit fly dating game' provides clues to our reproductive prowess

...e. It's that impact ?not Chicxulub ?which left the famous extraterrestrial iridium layer found in rocks worldwide that marks the impact that finally ended the Age of Reptiles. "The Chicxulub impact could not have caused the mass extinction," says Princeton University paleontologist Gerta Keller, "because...

Far more than a meteor killed dinos

...e. It's that impact ?not Chicxulub ?which left the famous extraterrestrial iridium layer found in rocks worldwide that marks the impact that finally ended the Age of Reptiles. "The Chicxulub impact could not have caused the mass extinction," says Princeton University paleontologist Gerta Keller, "because...

Zebra finch males prefer females with exaggerated maternal traits

...ke. This is the process of sexual imprinting, made famous by the Nobel prizewinner Konrad Lorenz. Nonetheless, most birds prefer mates in which specific traits are exaggerated compared with those of their parents. Because learning about a specific stimulus usually leads to a preference for this familiar sti...

Gut microbes' partnership helps body extract energy from food, store it as fat

...imitive form of bacteria, archaea initially became famous because of their ability to live in extreme environments where nothing else could survive, such as hot springs. Scientists first isolated archaea from the human intestine in 1982, and have recently recognized M. smithii as the most common archaeon in...

Surprise finding for stretched DNA

...tion. But few of us realize just how tightly that famous double helix is wound. Stretched to its full length, a single molecule of human DNA extends more than three feet, but, when wound up inside the nucleus of a cell, that same molecule measures about one millionth of an inch across. Biologists have lon...

Polynesia explorers created worldwide web of scientific knowledge

...with captivating chapters on Tahiti ?that made him famous throughout Europe; Chamisso wrote about Hawaii and other islands with a sensitivity and accuracy still admired among anthropologists." They had plenty of help ?from their captains, officers, voyage artists and physicians, and from Polynesian travele...

When it comes to gene transcription, random pauses aren’t quite so random, study finds

... similar in all organisms. It starts with DNA--the famous ladder-shaped double helix, whose rungs (or "bases") consist of four chemical units known by the abbreviations A, T, G and C. A typical DNA molecule contains thousands of genes that encode thousands of proteins, which are essential for life. Each gen...

Rehydrate -- your RNA needs it

Water, that molecule-of-all-trades, is famous for its roles in shaping the Earth, sustaining living creatures and serving as a universal solvent. Now, researchers at the University of Michigan and the Academy of Sciences of the Czech Republic have uncovered two previously unknown roles for wa...

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