Welcome to The Weirdest Thing I Learned This Week.
Our editors scrounged up some truly bizarre facts.
Scientists are still working out why some species are more likely to die out than others.
On the Origin of Pigeons, Worms, and Barnacles.
Newsworthy eye candy
From reviving extinct species to hunting for dark matter, can a single scientist transform biology--and our lives?
Even after the species went extinct, people still reported "seeing" them in the wild.
We promise, it doesn't all rhyme.
From the Popular Science archives. Happy Darwin Day!
Their population plummeted with the advent of the railroad and logging in the late 1800s.
This is why it's so hard to catch a fly bare-handed.
The H7N9 avian flu virus outbreak in China has already killed 11 people. Here's what's up with it.
A new theory explains why homing pigeons are so good at navigating back to their nests--and why sometimes they are not.
Steadman's new book revisits vanished (and imagined) species, in true psychedelic fashion.
How earographs, invisible ink detectors, and the famed "Stamp Detective" used science to catch unsuspecting crooks.
After a flap at Wimbledon, PopSci takes a look at the latest anti-bird weaponry
Hint: It's not because they don't exist
A new medical-imaging system brings skeletons to life in 3-D
At the new International Spy Museum, you become the secret agent.