New fossil sheds light on old mystery
...iles and alligators use a different approach. They catch prey with their flat head and pincer jaws, which allow them (when feeding in water) to strike laterally, cutting through the water while minimizing the force that pushes the prey away. Dinocephalosaurus apparently took yet another approach. When it ...Popular Science announces Third Annual 'Brilliant 10'
... do storm clouds appear before it rains? Why do we catch cold? What's really wrong with her car? Most of the time she's frustrated, but she takes comfort in the abstract realm of mathematics, where all facts stem from provable universal laws. Her single-mindedness helped prove the perfect-graph conjecture,...Broken arms and collateral damage: clues to predator-driven evolution
...sea lilies, have feathery arms that they extend to catch bits of plankton or detritus passing by in the current. Like their starfish cousins and other animals in the group known as echinoderms, crinoids are capable of regenerating lost body parts. Because modern day crinoids usually lose---and regenerate-...Study in Science reveals recreational fishing takes big bite of ocean catch
U.S. saltwater recreational fishing catch rivals commercial fisheries for many depleted fish...go out on a charter boat and bring in a remarkable catch not because they know the environment, but because they rely on the professional, expert fishing kn...... clock, and it takes several days for the liver to catch up with changes in the master clock. Incidentally, the problems related to jet lag and night shift work are often caused by the liver's inability to respond rapidly to changes in the sleep-wake cycle. One key to understanding the intricacies of th...Hopkins scientists use blood proteins to detect ovarian cancer
...ection, and hope to expand the panel of markers to catch as many variations in ovarian cancer proteins as possible." This research was funded by the National Cancer Institute and Ciphergen Biosystems, which has licensed the test. Chan and his co-workers emphasize that the test will not be commercially avai...Rutgers-Newark scientist: Mosquitoes may carry lethal parasite
...e three words and that technique the next time you catch a mosquito dining on your arm or leg, and you'll go a long way to protecting yourself from a potentially lethal parasitic micro-organism that may be in the mosquito, and is especially dangerous to those with weakened immune systems. A study by Rutger...Lake research offers clues to managing crayfish invasions
...at has been bleak. For example, bait traps tend to catch only the largest rusty crayfish, and biocides, chemicals proven to wipe them out, obliterate everything else in the lake. But one strategy for managing these invaders once they enter a lake might come from Roth's preliminary data showing that lakes -...Bone, enamel, dentine, milk & saliva share gene family
...o nurture them until they could use their teeth to catch and consume dinner. "Now we are going to look to see if these genes are expressed in embryos when and where they are supposed to be expressed," says Weiss....New paper in Science introduces revolutionary new paradigm for fishery management
...ment would overturn the paradigm of maximizing the catch of individual species that has prevailed for more than half a century. National legislation to promote the use of ecosystem-based fishery management is expected by September in the U.S. Senate and House of Representatives. The consensus statement by ...Scientists find 75 percent of red snapper sold in stores is really some other species
...for this species if it influences the reporting of catch data used in fisheries management. The potential for this kind of bias in fisheries data depends on at what point in the commercial industry fish are mislabeled, which is something that we currently know little about." A report on his group's resear...Ecosystem bounces back from hurricanes
...al recovery. The paper also states that commercial catch numbers of shrimp or bivalve molluscs such as clams and scallops did not suffer long-term effects from the storms. The one species affected negatively for a longer period of time by the storms was the blue crab, the paper asserts. Reductions in the n...Parting genomes: UA biologists discover seeds of speciation
...The difficulty, Reed explains, is that you have to catch the genetic schism while it's still brewing. She and her advisor report that they have managed to do just that. In the wild, D. mojavensis and D. arizonae rarely if ever interbreed, even though their ranges overlap along a broad swath along the north...Mite transmits viruses damaging to wheat
...food source, so the mite stands on its tail end to catch an air current and ride to a new, fledgling host. Dr. Jerry Michels, Experiment Station entomologist at Bushland, said mites are common in most years, but this year is extremely bad for the two viruses. "Unfortunately, chemical control o...Whales, seals or men? Who stole all the fish?
...her results. About 80 per cent of the world's fish catch comes from regions where there is very little overlap with marine mammals, she found, and 99 per cent of marine mammal feeding takes place where very little fishing occurs. "Marine mammals are not likely to have a large impact on large fisheries," ...Staying close to mother helps baby dolphins swim
...hermen to set their nets around dolphin schools to catch the tuna living alongside, so long as no dolphins were killed or seriously injured. Weihs's results suggest that relying on fishermen's observations of injuries to dolphins would underestimate the damage inflicted on dolphin populations....The Hunter's Breath tells a story of adventure and discovery in Antarctica
...lculate how much energy the seals had to expend to catch their meals. She also gained insights into how the seals manage to budget their oxygen supplies during dives that typically range from 20 to 40 minutes and sometimes last more than an hour. Learning what it takes for a top predator to surviv...Young chimpanzees show sex differences in learning
...s learn earlier, spend more time at it and tend to catch more termites with each try, according to a University of Minnesota study to be published in the journal Nature April 15. The distinct sex differences in learning this skill are akin to differences between young girls and boys as they learn fine moto...UF researcher: Animals think in their own way, but unlike humans
... a bad day? Probably, but don't expect your cat to catch on. Do chimpanzees understand why those who can't see them don't offer them treats? Do vampire bats have the ability to show gratitude by returning a favor? The answers depend on what is meant by "think," according to University of Florida psyc...... to use live-traps, and then bring in trailing and catch dogs. "We know that Texas has more feral hogs than any other state. With 1 million in the state, we will never eradicate them. The best we can hope for is to keep their numbers under control," he said....