parkour

Ayla Kirstine of Norway has gone viral thanks to a series of videos in which she runs like a horse.
The Massachusetts company's machine Atlas is scaring people with its agility.
But it’s probably not appropriate for your commute.
The superhero would need size 114 feet, say scientists.
Sneak peek shows how free-running clips are filmed.
Freerunning athletes Jason Paul and Pasha Petkuns star in this mind-bending Red Bull video.