In a way, travelling back in time is something that astronomers, astrophysicists and space scientists do every day when they look into space.

It sounds like something out of a horror movie, but regenerating body parts is a real specialty of echinoderms.

Humans are not the only ones who enjoy optical illusions. Great bowerbirds make forced perspective illusions, too.

Conservation relies on data—lots of data. So how do you protect a species that’s difficult to count, living in an environment that’s difficult to access?

Machines that can learn, make decisions and automate tasks are already part of our lives—the big question is, how do we make sure they’re helping society, rather than harming us?