Old Brains Roundup
Senior citizens are less reliable witnesses, and a finding that could help stave of memory loss.
Podcast
Why rainbows are round (yes, round), ultraviolet light is an aphrodesiac to jumping spiders, getting …
UV Light & Spider Sex
A type of spider uses ultraviolet light in its mating game.
Geology Roundup
Africa's splitting apart, and scientists may have found ancient Ithaca.
Podcast
Why you can't remember your babyhood, Africa's pulling apart, how amoebas move, nonsmoking women are …
Nonsmoker Lung Cancer
Non-smoking women get lung cancer at a higher rate than non-smoking men.