News
- Chemistry
Building a cheaper catalyst
Using perovskite instead of platinum in catalytic converters could shave many hundreds of dollars off the cost of a diesel car.
- Humans
Ancient DNA suggests new hominid line
Genetic data unveil a previously unknown Stone Age ancestor in central Asia.
- Earth
Bacteria show new route to making oxygen
New discovery adds to the few known biological pathways for making and metabolically using the gas.
- Chemistry
Better sleuthing through chemistry
New fingerprinting method can pinpoint where, when or how a chemical warfare agent came to be.
- Physics
You really can freeze hot water faster than cold*
Experiments suggest that impurities in the warmer water may explain the “Mpemba effect” in which warm water freezes faster than cold water.
