Science writer Sonia Shah explains why it’s really not your fault you’re attracted to that terrible person.


This freshly drawn Tree of Life contains a new branch full of microbes — which appear to dominate Earth’s biodiversity. How did we miss that? TED Fellow Hélène Morlon explains.


Biohacker Andrew Pelling has figured out a way to create living, functional biological objects that don’t exist in nature — without deliberately modifying DNA in any way. In one experiment, he uses apples and human cells to make ears. But what? And how? And why? Read on.


For Sissel Tolaas, even the liveliest city may be a “blandscape.” Here, the chemist shares thoughts on why, for her, smell is the most important sense.


Biologist Carin Bondar shares videos and books about animals getting down and dirty.

Where do a zebra’s stripes, a leopard’s spots and our fingers come from? The key was found years ago — by the man who cracked the Enigma code.