News
-
AnthropologyAncient people get dated Down Under
New dating analyses indicate that people reached southeastern Australia between 50,000 and 46,000 years ago and that two human skeletons previously unearthed there were buried about 40,000 years ago.
By Bruce Bower -
TechWatching the Big Wheelers: In sea of cars, trucks reveal traffic flow
A new way to sense traffic jams more quickly tracks the motion of trucks within the overall traffic flow.
By Peter Weiss -
Materials ScienceMaking Polymers That Self-Destruct: Layers break apart in controlled way
A new polymer film chews itself apart under certain conditions, making it a potential candidate for the controlled delivery of therapeutic drugs.