Tag: "depressions" at biology news
New Study Shows Dinosaurs From Gobi Desert Site Killed In Sudden "Sand Slides" Falling From Dunes - Study Also Reports First Dinosaur Tracks From Gobi
...f Geosciences, University of Nebraska, had studied depressions
ofthe same type in Nebraska and was the first scientist to recognize them as thefossilized footprints of large animals. While it is not possible to identifythe Gobi Desert trackmakers with absolute certainty, the only large fossilsfound in the area ...
Lights, Camera ... Reaction: Charting The Biological Effects Of Light InBillionths Of A Second
...nly in a few high arid lake beds in Oregon andsalt depressions
in the Egyptian desert, is "rather obscure," says Moffat, butthis simple organism appears to be quickly moving towards center stage as asubject of scientific inquiry. "The protein we studied is exquisitely sensitive to light," explains Moffat. "Itis ...
World's Oldest Known Fossil Reptile Nests Discovered In Arizona's Petrified Forest
...ghly 110 million years. The 62 bowl-like depressions
found by the researchers in sandstonedeposits appear to be trace fossils made by large, hole-nesting reptiles such asphytosaurs (primitive, crocodile-like animals), aetosaurs (armored reptiles fromthat period) or possibly ancient turtles, said Hasiot...
UF Anthropologists Study Techniques To Solve Mysteries Of Dead Bodies
...sicanthropologist's work is more difficult because depressions
in the groundthat might indicate the presence of a buried body aren't as easy to see inplaces with sandy soil such as Florida, Falsetti said. For that reason,remote sensing devices are used increasingly, he said. One of the study's main findings so f...
Seafloor off Mid-Atlantic coast highly charged with gas
...sts say the suspected cracks are a system of large depressions
along the shelf edge that appear to have been excavated by gas erupting through the seafloor. "We don't know the source of the gas," team leader Neal Driscoll of the Woods Hole Oceanographic Institution (WHOI) said. "But it is clear that gas has p...
Intriguing archaeological sites, isolated lake targets of Kuril Expedition
...e central Kurils, the archaeologists will focus on depressions
left by approximately 40 pit houses in an area where hunter-gatherer implements have been dated back 3,000 to 4,000 years. Throughout the chain, geoarchaeologists will seek preserved landforms that could hold archaeological remains dating back as fa...
Unearthing the secrets of human skeletal remains
...tion of the soil, which in turn leaves no telltale depressions
in the soil," she says. "In winter, vegetation regrowth makes it extremely difficult to detect any potential skeletal remains, so seasonal factors are important. "There is some small indication of different vegetation for the three kangaroo grave...
January media highlights-GSA Bulletin
...pearances, including circular and elongate coastal depressions
(a few hundred meters to a few kilometers in length), depressions
in ancient alluvial fans, and depressions
along salt diapir margins. Subsidence rates are in the ran...
New 'fuzzy' polymers could improve the performance of electronic brain implants
...-surfaced, fuzzy polymers with various grooves and depressions
designed to mesh better with neurons. "The scheme is to have these electrodes make a connection with the neurons quickly, before the other cells get in and wall them off," Martin said. To further encourage connection, Martin and his team have incorp...
Muddy Mayan mystery made clearer by researchers working in the bajos
...he early centers were located near "bajos" - large depressions
in the limestone bedrock. This presents another riddle that has "bugged scholars in the Maya area for years," Dunning says. Why? Because today these swamp-like depressions, or bajos, are wet only from about July to November. That makes them unsuitabl...
Questionnaire identifies depressions in children
...of Nijmegen has compiled a questionnaire to detect depressions
in children aged six to eight years. The questionn...translated American questionnaire that can measure depressions
as well as a translated American questionnaire that measures anxiety disorders. Of the 935 children,...
Pitt researchers find genes for depression; Play role in mood disorders, shorter lifespan
...d proportion of familial cases of depression among depressions
that arise later in life. CREB1 is a gene that encodes a regulatory protein called CREB that orchestrates the expression of programs of other genes that play important roles in the brain and the rest of the body. The widespread importance of CREB as ...
Depression traced to overactive brain circuit
...iscovered the abnormality in brains of those whose depressions
relapsed when a key brain chemical messenger was experimentally reduced. Even when in remission, most subjects with a history of mood disorder experienced a temporary recurrence of symptoms when their brains were experimentally sapped of tryptophan, ...
Possible new cure for psoriasis
...rzog explains. 'Some patients withdraw completely; depressions
are not infrequent.' No toxic side-effects One of the substances which stimulate the division of the keratinocytes is the proteinsAPPa. It is produced during the decomposition of a larger protein, APP. The keratinocytes produce an enzyme which cuts...