An Ancient Magma Flood Offers Clues About Global Warming

Roughly 60 million years ago, circulation changes deep within our planet generated a hot current of rock—the Iceland plume—causing it to rise from the heart of Earth’s mantle. When the mantle rock pierced the bottom of the North Atlantic Ocean, lava spurted across Scotland, Ireland and Greenland, scabbing into spectacular columned landscapes like the Giant’s…

How to Avoid the Worst Online Scams

How to Avoid the Worst Online Scams

Scammers are quick to sense an opportunity to get you to click on something you shouldn’t, whether it’s the rise of a celebrity singer or the spread of a new coronavirus. It’s important to be able to spot these cons and give them a wide berth—otherwise you could find yourself stuck with malware on your…

Why Don’t We Just Ban Targeted Advertising?

Why Don’t We Just Ban Targeted Advertising?

You probably remember this moment. It was April 2018, the peak of the Cambridge Analytica scandal, and Mark Zuckerberg was testifying before an angry Congress. Republican senator Orrin Hatch, then 84 years old, asked how Facebook could make any money by offering a free service. “Senator, we run ads,” Zuckerberg replied, breaking into a smirk.…