160,000-year-old fossilized skulls from Ethiopia are oldest modern humans
...pied village. During a reconnaissance, White first spotted stone tools and the fossil skull of a butchered hippo emerging from the ground. When the team returned to intensively survey the area 11 days later, they discovered the most complete of the adult skulls protruding from the ancient sediment. It had be...DNA arrays diagnose, predict survival for Sezary syndrome cancer patients
...o called microarrays, are patterns of DNA that are spotted onto a glass slide or nylon filter. The DNA on the arrays can represent thousands, even tens of thousands of genes. Corresponding genetic material called RNA taken from study cells in this case, the cancer cells can be screened against a DNA array ...Scientists returning to field of eerie thermal spires
... Alvin to see Lost City the day after it was first spotted during routine surveying using an unmanned, remotely operated vehicle. There was time for just a single dive before the expedition ended and bad weather began so scientists can only say the field is 300 feet by perhaps 1,700 feet and has roughly 30 v...Humongous fungus a new kind of individual
...by the ring-shaped patches of dead trees that they spotted during overhead flights. No one expected to find that the well-separated clusters represented one contiguous organism. "If you could take away the soil and look at it, it's just one big heap of fungus with all of these filaments that go out under the...Hikers may disturb breeding spotted owls
... what happens in some of the canyons where Mexican spotted owls breed, and a new study shows that hikers can ...ue of Conservation Biology. The threatened Mexican spotted owl lives in coniferous forests in the Southwest and Mexico. In Utah, the birds nest, roost and hunt...Coral smothering 'green tide' seaweed spreading on Florida reefs
...sters and fish away. The species has also now been spotted as far north as Ft. Pierce, Fla., about sixty miles away. "It can smother just about everything down there," says Dr. Brian Lapointe, a marine ecologist at HARBOR BRANCH, of Caulerpa brachypus. He says the threat it poses is even more alarming than ...Scientists hone in on cause of amphibian deformities
...idespread media attention when deformed frogs were spotted by school children in Minnesota in 1995, but it quickly became apparent that its scope was extraordinarily broad and the impacts severe in some frog populations, including one near Corvallis, Ore., 75-80 percent of the frogs are deformed. There hav...Cat parasite killing otters; Michigan's perch pressured; HACCP for medicine
...plied dramatically in Lake Superior, have now been spotted in northern parts of Lake Michigan. The good news is that round gobies, which are already abundant in Lake Michigan, may keep ruffe numbers down. The bad news is that Eurasian ruffe will nonetheless deplete resources for yellow perch, an important na...Wildlife researcher captures jaguars with camera
...Station include the endangered ocelot -- a smaller spotted cat, bats, hawkmoths, the Xate plant, and leaf miners, to name a few. Funding and support for these research projects come from Virginia Tech, the Wildlife Conservation Society, the National History Museum in London, the National Science Foundation, ...A Magic Web: The Tropical Forest of Barro Colorado
...and scientists learned to find Christian when they spotted a toucan nest or parasitoid wasps ovipositing in caterpillar pupae. Ziegler's biology background and perseverance enabled him to close the gap between photographer and subject, resulting in intimate natural images. "Taking advantage of the knowledge ...A mane is a pain, but worth it for male lions
...r bell--and noted reactions of the lions when they spotted the "intruders." Male lions were clearly intimidated by long manes and dark manes, said West. Given a choice between short and long manes, males approached the short-maned dummy nine out of 10 times. In the one instance where the long-maned dummy was...New technique shows how cells interpret genetic information
... DNA molecule that can recognize that sequence and spotted it onto the microarray," Ares said. The microarrays for the yeast study consisted of glass slides with tiny spots of synthetic DNA laid out in a grid pattern. For every intron-containing gene in the yeast genome, the microarray included three synthet...Sea Grant research shows electric barrier may stop Asian carp
..., located near Romeoville, Illinois, and have been spotted as close as 25 miles from Lake Michigan. Thus far in the study, there were 381 attempts by bighead carp to pass through the simulated barrier--379 times the fish turned around. Only one fish went through the barrier, and in fact, did it twice. "This ...Study suggests global extinction crisis more serious than previously thought
...ulations and survives only in captivity, while the spotted hyena has lost only 14 percent of its populations despite large, human-induced habitat losses. Ceballos and Ehrlich also pointed to a growing problem they call political endemism, which they say occurs when population extinctions reduce the range of ...Salamanders change spots: Was it environmental stress?
...ho have compared the amphibians with symmetrically spotted specimens gathered from the same pond six decades earlier, believe they are seeing indications that changes in a salamander's spots can signal environmental trouble. "Salamanders and frogs are considered an early-warning system for environmental st...Scientists find a way to detect which breast abnormalities may develop into cancer
...ot be detected by self-examination, and is usually spotted during screening and diagnosed following a biopsy. Dr. Shaaban, working with Professor Christopher S. Foster, head of the hospitals Pathology Laboratories, studied 674 biopsies from a 20-year period between 1979 and 1999 to see whether those samples ...White sharks migrate thousands of miles across the sea, new study finds
...tudent Davis - stood watch onthe island until they spotted a shark preying on a seal. "These feeding events can last a half-hour or more," said Pyle. "When wesee one, we launch our research boat and carefully approach the area wherethe sharks are feeding. We tag them as they swim around the boat." At the Ao ...Rare squid found in Gulf of Mexico
...- Texas A&M University oceanographer William Sager spotted and photographed an unusual squid while investigating natural oil seeps deep in the Gulf of Mexico. The results of his serendipitous encounter will appear in this Friday's (Dec. 21) edition of the prestigious research journal Science, published by t......t have recently colonized the islands and a native spotted skunk. Golden eagles were initially drawn to the islands by the abundance of tasty piglets on Santa Cruz, the largest of the Channel Islands. But they began preying on the island fox as well, causing the fox population to plummet not only on Santa Cr......on-laden cells create a magnetic black hole easily spotted by magnetic resonance imaging, or MRI, they report. "Until now, tissue had to be removed from an animal to see where stem cells were going, so this gives us an important tool," says author Jeff Bulte, Ph.D., associate professor of radiology at the Jo...