Arjun Makhijani studies shows how the U.S. could have low-carbon energy. He believes wind and solar energy would be cheaper and safer than nuclear power.
Organic farmers use their understanding of natural processes to optimize crop yields. The surprising results make you wonder where to draw the line between technology and nature.
The partial skeleton of a three year old child, uncovered in central Alaska, dates back to 11,500 years ago. It's one of the oldest human remains found in North America.
In the calculus of evolution, your ability to represent, gene-wise, in future generations is your measure of evolutionary fitness. By this calculus, male polygamists rule.
A National Research Council says it isn't possible to reach a definitive conclusion about the origin of deadly anthrax spores, based on the scientific evidence alone.
A mosquito-loving fungus, genetically combined with a scorpion toxin, is a recent and apparently promising weapon in the global struggle against malaria.