Tag: "prehistoric" at biology news
New dinosaurs appear to be oldest yet, as reported in the 22 October issue of Science
...aurs ever discovered and theremains of eight other prehistoric
animals have been unearthed by a team ofpaleontologists working in Madagascar. The exquisitely preserved collection offossils provides a freeze-framed picture of life during the earliest days ofdinosaurs and mammals--a picture that has been largely o...
Discovery of oldest dinosaur bones reported in Science
...rs ever discovered, and the remains of eight other prehistoric
animals,in a rich bed of fossils in Madagascar, providing a 'time capsule' from theearliest days of dinosaurs and mammals and illuminating scientific understandingof the mid-late Triassic Period. The findings are reported in the October 22issue of Sc...
Scientists say vitamin C may alleviate the body's response to stress
...the present RDA, Campbell said he believes thatour prehistoric
ancestors probably consumed large amounts of vitamin C in atropical diet rich in fruits. "If so, the physiological constitution we haveinherited may require doses far larger than the present RDA to keep us healthyunder varying environmental conditio...
Important New Fossil Animal Discovered By Wits Scientists
...show that the South African portion of what wasthe prehistoric
supercontinent Gondwana, was actually an evolutionaryhotspot 260 million years ago. It has reinforced the idea that thedistant ancestors of mammals acutally came from South Africa."...
UF Researcher: New Techniques Help Reconstruct Ancient Diets
... But MacFadden's research on six species of prehistoric
horses that lived5 million years ago shows that despite all the horses having elongated teeth, they were a combination of browsers, grazers and mixed feeders. "This is the first time we've been able to use other techniques to challenge this assertion...
Study Associates Asteroid Or Comet Impact With Extinctions In Argentina
... "Unlike what impacts did to dinosaurs and other prehistoric
creatures,this was not an event that led to global extinctions," said principal investigatorPeter Schultz, professor of geological sciences at Brown University and animpact specialist. "We've found something linked to much more rece...
Amid Albanian Turmoil, Archaeologists Unearth Secrets Of The Stone Age
... "We had no idea we would be walking into all this prehistoric
evidence," Davis said. "Such a widespread distrib..., the team discovered 409 "lithics," or remains of prehistoric
tools, including 14 associated with the mid-Paleolithic period (between approximately 200,000 and 35...
Excavations In Prehistoric Chinese Cave Uncover Unusual Collections Of Large Mammals
... the type of animalsshowing up in large numbers in prehistoric
deposits in the Panxian Dadong Cave in southern C...ut mark and wasburnt. Everything you could do as a prehistoric
person to damagea bone has been done." Schepartz is working with a team of researchers, includingSar...
Bark Beetle Infestation Spurs Multifaceted Study
... for mill sites, camp sites,remnant roads and both prehistoric
and historic occupation. The Comstock Lode, which was discovered in 1859, supplied silver to theUnion troops during the Civil War. Working in the mines, building the roadsand cutting the wood were a conglomerate of immigrants. Included among thesew...
Cornell Researchers Precisely Date Wood From Ancient Tomb In Turkey
...t determine the absolute age of these historic and prehistoric
processes, as well as their chronological relationship, in order to appreciate fully the implications of the past for modern society. "What we announce in Nature is the beginning of the process of bringing some order to our understanding of the cultu...
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