News
-
PaleontologyTyrannosaurs lived in the Southern Hemisphere, too
Australian fossils suggest the kin of T. rex dispersed globally 110 million years ago.
By Sid Perkins -
ChemistryBuilding a cheaper catalyst
Using perovskite instead of platinum in catalytic converters could shave many hundreds of dollars off the cost of a diesel car.
-
HumansAncient DNA suggests new hominid line
Genetic data unveil a previously unknown Stone Age ancestor in central Asia.
By Bruce Bower -
EarthBacteria show new route to making oxygen
New discovery adds to the few known biological pathways for making and metabolically using the gas.
By Sid Perkins -
ChemistryBetter sleuthing through chemistry
New fingerprinting method can pinpoint where, when or how a chemical warfare agent came to be.