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Why do cats’ eyes glow in the dark?

Get the Popular Science daily newsletter Breakthroughs, discoveries, and DIY tips sent six days a week. One foggy night in 1933, a businessman named Percy Shaw was driving home from the pub in Yorkshire, England. The road was twisty and…

This planet friendly diet could cut your risk of early death by 23%

New research from Aarhus University suggests that the updated Nordic dietary guidelines, created to support both personal health and environmental sustainability, may help people live longer. The recommendations encourage eating less meat and added sugar and increasing intake of whole…

Apple’s iPhone Air MagSafe battery is cheaper than ever right now

We found the iPhone Air to have a pretty decent battery life for such a thin-and-light phone, somewhere in the region of 27 hours if you’re continuously streaming video. But it’s still a phone, arguably your most used device on…

AI can’t make good video game worlds yet, and it might never be able to

This is The Stepback, a weekly newsletter breaking down one essential story from the tech world. For more news about video game industry’s pushback against generative AI, follow Jay Peters. The Stepback arrives in our subscribers’ inboxes at 8AM ET….

The great computer science exodus (and where students are going instead)

Something strange happened at University of California campuses this fall. For the first time since the dot-com crash, computer science enrollment dropped. System-wide, it fell 6% this year after declining 3% in 2024, according to reporting this past week by…

Best Alternatives to Google’s Android Operating System (2026), Tested and Reviewed

Want Google out of your life? It’s pretty easy to find alternative search, email, and photo storage providers, but it’s much harder to come up with a mobile operating system that’s free of Google. The obvious answer is an iPhone,…

Accidental discovery hints at mystery structures within our brain

Lymphatic-like structures within the brain of a healthy person Shiju Gan/Harvard University Your brain may contain a hidden network of vessels that helps it dispose of metabolic waste. If confirmed to be true in future studies, the discovery could transform…

550 pigeons rescued in North Carolina

Get the Popular Science daily newsletter Breakthroughs, discoveries, and DIY tips sent six days a week. Rescuers in North Carolina recently saved over 500 pigeons from a home in Greensboro. Guildford County Animal Services and two other bird rescues based…

Massive study finds most statin side effects aren’t caused by the drugs

Heart disease remains one of the leading causes of death worldwide, responsible for about 20 million deaths each year and roughly a quarter of all deaths in the UK. Statins are widely prescribed medications that reduce LDL (“bad”) cholesterol and…

Airbnb is testing out AI search with a ‘small percentage’ of users

Airbnb plans to double down on artificial intelligence to improve its user experience for both guests and hosts. During a fourth-quarter earnings call, Airbnb’s CEO, Brian Chesky, said the company is building an “AI-native experience” aimed at helping guests book…