Friday links

BBC Video: How to artificially inseminate a rhino.

Japan Earthquake: Six Months Later.  Many of the photos are before (just post-earthquake) and after (recently).

World’s funniest analogies.  Also, Everyday sayings explained.

Raising Teenagers is Hard — Regardless of Your Species.

Would You Drink Recycled Sewage?

Taxidermy TV commercial of the year.