Fastest Land Animal: Cheetah
Patricia Tricorache helps protect the cheetah
Transrapid International’s Maglev
Marc Thompson tells how Transrapid International’s magnetic levitation train flies on the ground in Shanghai
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Fastest Human: Usain Bolt
A tall sprinter dances across the finish line
Fastest Elevator: Hyundai Elevator’s Test Tower
Zooming up the test tower in Icheon, South Korea, with Young-Key Park
The Fastest Car: Bloodhound SSC
Richard Noble’s Bloodhound SSC will go faster than the speed of sound
Fastest Bike: M5 Recumbent
There’s nothing laid-back about this two-wheel recumbent
Robots and Human Evolution
Biologist John Long is building robots that swim, eat, flee, and evolve
iCandy: Our Better Selves
Tech for choosing wine, regrowing hair, or becoming a superhero
Highlights from a 24-hour Hackathon
Hundreds of hackers gathered to crank out new apps over the weekend at TechCrunch
Facebook Knows Your Friends—Even if They’re Not on Facebook
Facebook can infer many things, even about people who deliberately stay away