New fossils may be first human ancestors out of Africa, say Science authors
...cades. Under the classic scenario, Homo erectus , armed with an advanced tool kit called the Acheulean or hand-ax tradition, became the first human species capable of braving an array of challenging environments outside the African cradle. The Dmanisi fossils, however, may undermine this tale of the tech......ture Center are now back in the Virungas with armed escorts. The trackers will soon receive additional training to use the new technology. Working with researchers and field scientists, they will break new ground in combining geographic information system (GIS) data with global position...Center For Ion Mobility Spectrometry Established At INEEL
... local communities from harmfulpollutants, and the armed forces could root out treaty-busting chemical weapons.Research that can produce highly sensitive and portable detectors got aformidable boost this month with the establishment of a national center thatbrings together top researchers in the field. ...AAAS Report Attributes Majority Of Killings In Guatemala To State
...hat occurred in Guatemala over a 36-year period of armed conflict in the hands of the government regimes th...a-judicial killing, and less than 1 percent to the armed opposition. The report, titled State Violence in Guatemala, 1960-1996: A Quantitative Reflection, wi...New Anti-Microbial Agent Destroys Anthrax
...nd other biological warfare agents pose bothto our armed forces and civilian populations. "Anthrax is often fatal and easily dispersed through air or water," Baker said. "We know that countries hostile to the United States have developed strains ofanthrax which are resistant to antibiotics and existing vac...Cellular Engineers Design Custom Cell Surfaces Able To Adhere To Synthetic Materials
...plant toxin ricin. The ricin analog, synthetically armed with thereactive hydrazide group, sought out and reacted with the ketone-labeled cells. "It worked," says Bertozzi. "We killed 'em." Bertozzi's group is currently moving studies of hydrazide-labeled toxinsfrom the test tube into lab...Cornell Scientists Find Way To Boost Rice Crop Yield -- They'll Walk On The Wild Side
...ll University plant breeders -- on a treasure hunt armed with genome maps -- have discovered genes in wild rice species that may help boost production of some of the world's major agricultural crops. "We've gone back and found wild species that contain genes that may help us boost production," said Steven ...