Physics
What’s done is doneÂ… or is it?
Features
Advertisement
Issue 2571
One molecule of HFC134a has a warming effect more than a thousand times that of CO2, and its levels are rising
Should we be worried by the mind-altering drugs now legally on sale?
New ÐÓ°ÉÔ´´ sets out to discover if the future can change the past – welcome to "retrocausality"