Next, climb aboard a spacecraft on a journey to Europa, one of Jupiter's icy moons. Could this space spot host alien life?
Then, see the three-foot-wide stinking corpse lily—which smells like rotting meat when it blooms—in 10 Cool Things About Flowers.
Everybody knows Vikings wore hornet helmets, used catapults, and spent all their time attacking villages, right? Well we're here to bust these Viking myths, and the truth about these fierce ancient raiders might surprise you.
Other stories in this month's issue:
• The Big Picture: A Nat Geo photographer reveals how he got a shot of Bob, an American flamingo, hanging out in a pool with his flamingo friends.
• Weird But True!: Check out fun facts you can share with your friends.
• Cool Inventions: How ancient wind towers are helping buildings beat the heat today.
The Walt Disney Company is majority owner of National Geographic Partners.
