Tag: "creatures" at biology news

Water, sediments in ice-bound antarctic lakes may harbor unique microorganisms, ecosystems

...e sheet are likely the home to unique habitats and creatures that thrive in them. Exploration of those lakes will therefore require extreme care and an international cooperative effort, according to a team of authors writing in the Dec. 6 issue of Nature. The pressure exerted by the continent-wide ice sheet ...

Lobster sniffing: how lobsters' hairy noses capture smells from the sea

Berkeley - Aquatic creatures like lobsters and crabs depend on smell to find fo...en you look at the animal kingdom, you see lots of creatures that capture odor from water or air using antennae that are feathery or hairy," Koehl said. "We want...

Flower chemicals attract some insects but deter others with toxic warning

...isners of floral "nectar guide" patterns that only creatures with vision in the ultraviolet part of the spectrum can see. Using combinations of special camera lenses and filters, photographic films and video imaging, the Eisners revealed a bug's-eye world where flowers display patterns that are visible only t...

Children's book explores why animals stay home to help

...ving colonies of the nearly sightless and hairless creatures -- from subterranean tunnels in northeastern Africa to laboratories at Cornell -- could he study at close range an animal society where all the "helpers" are physically able to breed, but most never will. "For a juvenile naked mole-rat, sticking aro...

Link to our ancient past is confirmed in potassium channel research

...ientific belief that we two-legged, computer-using creatures are descended from prokaryotes -- cellular organisms so primitive and simple that they exist without nuclei or cell walls. The study, led by Zhe Lu, MD, PhD, an Associate Professor in the Department of Physiology at the University of Pennsylvania Sch...

Study: King Midas' feast offered golden opportunity for fungi

...ain small amounts of the heavier form of nitrogen, creatures higher on the food chain contain greater amounts," he says. "The high levels of 15-N found in the wood around the coffin suggest a diet rich in meat." Food from the funerary meal which consisted primarily of barbecued meats also provided nourishmen...

Society for Vertebrate Paleontology to hold annual meeting in Montana in October

...tists that studies dinosaurs and other prehistoric creatures will meet in Bozeman, Mont., Oct. 3-6 to talk about the latest discoveries. A record 1,200 members of the Society for Vertebrate Paleontology are expected to attend the conference at Montana State University. This is the first time the society has m...

Plankton power

...llions of years, plankton those tiny drifting sea creatures found throughout the ocean have been raining unceasingly on the sea floor as individuals die. There theyve been deposited as organic (reduced carbon) matter in the sediment. This organic matter is a rich and practically inexhaustible source of ener...

New fossils suggest whales and hippos are close kin

...he origin of whales, confirming that the giant sea creatures evolved from early ancestors of sheep, deer and hippopotami and suggesting that hippos may be the closest living relatives of whales. The new finds, reported in the Sept. 21 issue of the journal Science, are the first and only specimens known that c...

American Chemical Society meeting features cutting-edge research August 26-30 in Chicago

...the United States. The method involves zapping the creatures with low energy radio waves. ( ENVR 78, Tuesday, August 28, 11:35 a.m. Embargoed until 11:30 a.m. ) Argonne National Laboratory chemistry director will address womens luncheon Marion Thurnauer, Ph.D., director of chemistry at Argonne Nationa...

Rutgers scientists to explore ocean depths off New York-New Jersey harbor

... great potential for discovery of unusual deep sea creatures that may provide insight into how life began on earth as well as life that might be found elsewhere in the cosmos. "Surveys have shown an impressive diversity of sea life in the canyon," the scientist says. The researchers also will investigate a ...

Magazine article by Rutgers researcher details revival of life after deep-sea volcanic eruption

...c crustaceans to two new species of octopus. The creatures living around thermal vents function without light and near vent water that would seem too hot and toxic to support life, reports Lutz. Among them are worms, clams, mussels, mollusks, octopuses, fish, crabs and other crustaceans. To date, he notes ...

Genetic secrets of metal-eating plants uncovered

...dicate that they do this to stop insects and other creatures from eating them. Just as people hate to bite down on a piece of aluminum foil, insects tend to avoid eating plants that taste like metal. "You can imagine if you're a bug and you bite down on a plant and it's got 10,000 parts per million of nickel i...

New study puts dinosaur noses in their place

...he nostrils, the answer could help explain how the creatures found food, detected predators, reproduced and regulated brain and body temperature. The study, reported in the Aug. 3 issue of the journal Science, will give many dinosaurs a new look: Nostrils once drawn on the top of some dinosaurs' heads now ap...

Excessive fishing prompted coastal ecosystems to collapse, but wise management now will help

...disruptive amounts, the worldwide abundance of sea creatures almost staggers the imagination. In the Caribbean, instead of millions of tourists, tens of millions of sea turtles made their homes there. English seafarers in the 1800s reported herds of dugongs -- aquatic mammals resembling walruses -- composed of...

Cover story in Science reveals historical overkill of marine Megafauna triggered current ocean crises

...e Age hunters drove dozens of species of huge land creatures to extinction, the cover story of the July 27 edition of Science describes the ecological extinctions of marine megafaunavast populations of whales, manatees, dugongs, monk seals, sea turtles, swordfish, sharks, giant codfish and raysfrom overfishing...

Overfishing sets the stage for other problems in marine ecosystems

...ny cases, evidence for large populations of marine creatures in thepast stands in stark contrast to relatively small numbers of such animalstoday, the authors note. Examples of overfishing are cited in aboriginal,colonial and modern cultures, but modern technology has allowed harvestersto eliminate what had be...

Earliest human ancestors discovered in Ethiopia

...id. White says that an accurate portrayal of these creatures is not yet possible because an intact skull or limb bones have not yet been found. Researchers estimate the size of the skeletal bones and the lower jaw is roughly the same size as a modern chimpanzee. "This is an exciting development," says Mark We...

Rutgers-led researchers discover new photosynthetic bacteria that appear to be significant component of ocean's carbon cycle

..., they were astonished to find an abundance of the creatures just a few dozen meters below the surface; "The maximum number were observed at 30 to 40 meters deep," says the scientist. "Below 150 meters, their concentration decreased below our detection limits, but we found them in virtually every surface water...

Rutgers biologist wins a $1.03 million, 5 year contract to study how microbes can help clean up Superfund sites

...zed as a way to eliminate hazardous wastes. These creatures -- which scientists believe pre-date their oxygen-breathing relatives as the first life on earth -- use substances such as nitrates, iron, sulfates and carbonates in place of oxygen. In the process, notes Young, they are able to "metabolize" or eat ...

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