PhysicsWhat you experience may not exist. Inside the strange truth of reality What our senses allow us to experience may not reflect what actually exists. It may be a creation of our own consciousness, or a computer simulation designed by superintelligent beings Features
EnvironmentPlanting a trillion trees really can help us fight climate change A trillion new trees isn’t the only climate solution, but it is the cheapest and it would make a huge difference if we do it right, says ecologist Tom Crowther Features