BMX champ actually manages to make CitiBike look cool

We're duly impressed.

Along with a rocket, NASA launched one poor frog into the air

We're pretty sure the frog didn't make it.

Vikings have the most fun: U.N. says Danes are the happiest people on the planet

What's the secret to the Dane's sunny disposition? Our man on the streets finds out.

Bears are using the special, pretty overpasses built for them

Researchers did the fun job of collecting bear hair for three summers and came back with some good news.

The 8 best quotes from retiring farmers

"The current 20-year-olds make me nuts," says 60-year-old farmer David Brown.

Great, now you have to worry about living too close to an airport

ADHD and other health problems are rampant in this neighborhood beneath a flight path. A local pediatrician thinks the lead in airplane fuel is to blame.

Harrison Ford crusades against climate change, illegal logging in Indonesia

The Indiana Jones and Star Wars star gets threatened with deportation after confronting Indonesian officials over illegal logging and climate impacts. Total badass.

For just $845,000, you can buy a hybrid more efficient than a Prius

It's called the Porsche 918 Spyder hybrid, and it gets about 72 miles per gallon.

Biking is the best way to get somewhere fast while getting in shape

Running everywhere isn't really feasible.