Covid killed UBI; Long live guaranteed income
A Chinese rocket is falling back to Earth—but we don’t know where it will land
AI consumes a lot of energy. Hackers could make it consume more.
Why mixing vaccines could help boost immunity
How to stop AI from recognizing your face in selfies
How China turned a prize-winning iPhone hack against the Uyghurs
Machine-learning project takes aim at disinformation
Why upholding Trump’s Facebook ban won’t break the cycle
We reviewed three at-home covid tests. The results were mixed.
Some vaccinated people are still getting covid. Here’s why you shouldn’t worry.
What progress means
Asian-Americans are using Instagram to help protect their communities