The Definitely Not Funny History Behind London’s Big Stink

London’s Thames River was never a particularly pristine body of water, but by the mid-19th century, things had gotten out of hand.

Tell him, bird, bye

In 1914, over 100 years ago, the final passenger pigeon died at the Cincinnati Zoo. All attempts to breed them in captivity  failed. Martha suffered from a palsy that made her tremble and had never laid a fertile egg. The passenger pigeon was extinct, thanks entirely to mankind.

How did this happen?