MyFitnessPal's founders leave Under Armour
The exercise app creators want to start something new.
CVS buys health insurer Aetna to counter Amazon
It's hoping to counter Amazon's possible pharmacy launch.
Our nights keep getting brighter
A new study shows that nighttime illumination is increasing around the world.
Algae-based nanobots could diagnose you from the inside
They wouldn't have to leave anything behind.
Google voice recognition could transcribe doctor visits
It's betting that speech detection could save doctors valuable time.
Kevlar cartilage could help you recover from joint injuries
It's as strong as the real thing.
Spire's health tracker sticks on clothes and never needs charging
It's totally waterproof so it'll survive the laundry.