The equivalence principle is one of the corner stones of general relativity. Now physicists have used quantum mechanics to show how it fails.
Genetically modified crops will allow farming practices closer to the ideals of the organic movement.
The Keystone XL pipeline is a distraction from what’s really needed to solve climate change.
With technology comes power. Shouldn’t MIT teach students how to use it responsibly?
A Caltech researcher thinks arrays of tiny wind turbines could produce cheaper power than big ones.
A true AI might ruin the world—but that assumes it’s possible at all.
Wind and solar get all the attention, but a key path to lowering emissions involves finding a less expensive way to do carbon capture.
A small change to the theory of gravity implies that our universe inherited its arrow of time from the black hole in which it was born.
Why science denialism and conspiracy theory walk together, suspiciously.