Of the 200 cases of leprosy diagnosed annually in the US, most are thought to stem from contact with armadillos. Natalie Angier doing what she does best.

With his genius for observation, Charles Darwin noticed a curious fact about colours that’s still little known to this day

Chris Chambers analyses whether Facebook’s mood manipulation experiment was a breach of ethics. “Were it not so amateurish, one might be tempted to think this is all a ruse.”

What it will take to get the largest Ebola outbreak ever under control? Dick Thompson reports.

Fascinating post on loss, forgetting, and what it really means to delete an email. By Jacqui Shine.

Researchers stimulated a single part of a woman’s brain (the claustrum)