Five years after a stern warning from Bill Gates and other business leaders, U.S. funding for energy R&D remains stuck in the mud.
By studying the network of links between Indian recipes, computer scientists have discovered that the presence of certain spices makes a meal much less likely to contain ingredients with flavors in common.
The Keystone XL pipeline is a distraction from what's really needed to solve climate change.
Data mining Wikipedia people reveals some surprising differences in the way eastern and western cultures identify important figures in history, say computational anthropologists.
The chemical company BASF says the basic type of battery used now in hybrids could be improved tenfold, leading to cheaper electric cars.
The world’s largest and cheapest reverse-osmosis desalination plant is up and running in Israel.
The cost of solar has fallen to a point where it can compete with grid power in some places.
A report from the National Academy of Sciences says inaction on greenhouse-gas emissions makes resorting to geoengineering more likely.
Transatomic Power has begun tests on a very cheap and compact molten-salt reactor.
A promising advance that came to nothing suggests what it will take to make cheap batteries for electric cars.