Stone Projectile Variations Point To Technological Experimentation By Early Humans
00:45 11-06-2008; source: www.sciencedaily.com
When the "cutting-edge" technology of the bow and arrow was introduced to the world, it changed the way humans hunted and fought. Archaeologists have discovered that early man, on the way to perfecting the performance of this new weapon, engaged in experimental research, producing a great variety of projectile points in the quest for the best, most effective system.
'Cursus' Is Older Than Stonehenge: Archeologists Step Closer To Solving Ancient Monument Riddle
18:45 10-06-2008; source: www.sciencedaily.com
A team of archaeologists has dated the Greater Stonehenge Cursus at about 3,500 years BC -- 500 years older than the circle itself. They were able to pinpoint its age after discovering an antler pick used to dig the Cursus -- the most significant find since it was discovered in 1723.
New Research Refutes Myth Of Pure Scandinavian Race
15:45 10-06-2008; source: www.sciencedaily.com
A team of forensic scientists at the University of Copenhagen has studied human remains found in two ancient Danish burial grounds dating back to the iron age, and discovered a man who appears to be of Arabian origin. The findings suggest that human beings were as genetically diverse 2,000 years ago as they are today and indicate greater mobility among the Danish iron age populations than was previously thought.
Is ADHD An Advantage For Nomadic Tribesmen?
03:45 10-06-2008; source: www.sciencedaily.com
A propensity for attention deficit hyperactivity disorder might be beneficial to a group of Kenyan nomads, according to new research in BMC Evolutionary Biology. Scientists have shown that an ADHD-associated version of the gene DRD4 is associated with better health in nomadic tribesmen, and yet may cause malnourishment in their settled cousins.
Mystery Of Infamous 'New England Dark Day' Solved By Tree Rings
00:45 10-06-2008; source: www.sciencedaily.com
At noon, it was black as night. It was May 19, 1780, and some people in New England thought judgment day was at hand. Accounts of that day, became known as "New England's Dark Day." The mystery of this day has been solved by researchers who say evidence from tree rings reveals massive wildfires as the likely cause.
Fossilized Burrows 245 Million Years Old Suggest Lizard-like Creatures In Antarctica
03:45 09-06-2008; source: www.sciencedaily.com
Scientists find evidence of tetrapods living in Antarctica during the early Triassic epoch, about 245 million years ago. The fossils were created when fine sand from an overflowing river poured into the animals' burrows and hardened into casts of the open spaces. The largest preserved piece is about 14 inches long, 6 inches wide and 3 inches deep. The burrows' relatively small size prompted scientists to speculate that their owners might have been small lizardlike reptiles called Procolophonids or an early mammal relative called Thrinaxodon.
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