Prompted by my post on masturbating squirrels, Daniel Engber at Slate republished an entire feature on animal masturbation.

“Surprisingly, the pattern of homicides resembled an exchange of gifts.” A fascinating Vaughan Bell piece on the social side of murder.

“So cheer up and take it from us that even if we kicked you in the pants it was between friends.” An amusing series of exchanges between DNA pioneers Crick, Watson, Wilkins and Franklin.

“I feel that we are all mad.” A disturbing look at water politics in the Nile valley and the conflicts between the upstream countries that control the water and the downstream countries that need it.

Jonah Lehrer, aged, 10, spells out his wisdom about how