Friday links

The history of chickens and eggs: When and why did they get domesticated?

In the Days of Human Zoos.

25 animals that scientists want to bring back from extinction.

Why It's Nearly Impossible to Castrate a Hippo.

Beer Yoga goes international.

From Hospital Gowns to Paper Couture: The Unlikely Origins of '60s Disposable Dresses. 

ICYMI, Tuesday's links are here, and include images of Tokyo before it was a city, London's train for the dead, using laser weapons to turn the atmosphere into deflector shields, and the small, short-legged dog that was the best kitchen gadget of the 1600s.

The Holy Crap worst Valentine's Day card ever, plus plenty of racist runners-up

Happy Valentine's Day! If you think that race relations haven't improved in the U.S., take a look at what used to be mainstream. Apologies in advance if you're offended:

And some disturbing runners-up:

A couple from the Religion of Peace (which doesn't, in real life, believe in celebrating Valentine's Day):

And a couple of rather odd Valentine advertisements:

Where to go for dinner:

Here's a collection of vintage meat and weapons-related cards, and lots more Valentine's Day links.