News
-
TechCoal: The cool fuel for future jets
To power faster supersonic jets, scientists are developing coal-derived fuels that can absorb heat without breaking down at high temperatures.
-
How whales, dolphins, seals dive so deep
The blue whale, bottlenose dolphin, Weddell seal, and elephant seal cut diving energy costs 10 to 50 percent by simply gliding downward.
By Susan Milius -
EarthGasoline additive’s going, but far from gone
As the federal government proposes phasing out the gasoline additive MTBE, scientists explore ways to remove this potential carcinogen from drinking-water supplies that it has tainted throughout the nation.
By Janet Raloff -
Health & MedicineTests may better detect prostate cancer
Two novel tests for prostate cancer may help physicians catch this disease earlier and with far fewer false alarms.