Usain Bolt’s 100m world record of 9.58 seconds has stood untouched for 16 years, but the sprint legend just admitted he could have gone even faster, per TheTimes. Faster than the greatest sprint ever ...

Know that sensation you have while running downhill, where you're not fully in control but feel like you could run forever? WIRED writer Amit Katwala tests a wearable AI-powered robotic exoskeleton ...