A new study finds that half of human cultures don’t practice romantic lip-on-lip kissing. Animals don’t tend to bother either. So how did it evolve?

Source: BBC – Earth – Why do humans kiss each other when most animals don’t?

In folk medicine, rosemary has been associated for centuries with having a good memory.

Source: What does rosemary do to your brain? – BBC News

Any Amazon customer is likely aware that the e-tail giant knows a lot about them. That’s how it personalizes product suggestions and customizes the marketing e-mails it sends. But some…

Source: Amazon Is Data Mining Reviewers’ Personal Relationships – Consumerist

Source: “No Actual Witches in Your Witch Group?”

Neuroscientists are building up a surprisingly clear picture of exactly where our memories live.

Source: Peeking into the brain’s filing system – BBC News