This week in public broadcasting: laughing rats, the story of saliva, and why a prominent chin is universally attractive in men (except in Australia).
Radiolab: Is Laughter Just a Human Thing?
Why are giggles contagious? And can we control them? One psychobiologist known as The Rat Tickler looks to the animal kingdom for answers. ( Video of a rat in the midst of a laughing fit is included).
Funny, insightful, and eye-opening book excerpt about drool.
Everyone likes a man with a prominent chin. Except Australians. Here’s why.
Searching for clues to earth’s mysterious past hidden in the red hills of Australia. You can stream the entire episode in the link above.
Sick? Hash tagging your symptoms on Twitter can be helpful to public health officials. Know of someone who’s sick? Hash tagging Lindsey Lohan’s symptoms can create a false alarm. The ups and downs of viral #diseasetracking.
Oh, this old web series. We profile Paul Frommer, the man who helped James Cameron to create a new language for Avatar .