A small number of people appear naturally immune to the coronavirus. Scientists think they might hold the key to helping protect us all.
The jacket can raise and lower its own hood—without chips or batteries—and might one day help disabled wearers move.
Storing more water to deal with climate change seems like a no-brainer, but such reservoirs are complex undertakings with environmental issues of their own.
The US regulator is eager to end unfair use of artificial intelligence and commercial surveillance, but experts remain skeptical.