2025-10-17

Lead poisoning has been a feature of our evolution

A recent study found lead in teeth from 2 million-year-old hominin fossils. [...]

2025-10-16

The Earth Has a Growing Weak Spot in Its Magnetic Field: Here's What That Means

Science has known about the weak spot for over half a century, but it's now getting bigger. [...]

2025-10-16

Under the hood of AI agents: A technical guide to the next frontier of gen AI

Agents are the trendiest topic in AI today — and with good reason. Taking gen AI out of the protected sandbox of the chat interface and allowing it to act directly on the world represents a leap for [...]

2025-10-16

Antarctica is starting to look a lot like Greenland—and that isn’t good

Global warming is awakening sleeping giants of ice at the South Pole. [...]

2025-10-15

Halliday Glasses review: Ambitious smart glasses with frustrating flaws

Every now and then, you review a product you can’t get along with in any way, shape or form. Sometimes, it’s about the quality of the hardware, but more often it’s about the philosophy of its ma [...]

2025-10-15

Rice weevil on a grain of rice wins 2025 Nikon Small World contest

Nikon Small World photomicrography contest is an annual reminder that science can be beautiful as well as informative. [...]

2025-10-15

SpaceX’s Second-Gen Starship Signs Off With a Near-Perfect Test Flight

This was the last flight of SpaceX’s V2 Starship design. Version 3 arrives next year. [...]

2025-10-15

Believing misinformation is a “win” for some people, even when proven false

"Winning" means prioritizing independence from outside influence over being right. [...]

2025-10-14

Interstellar Comet 3I/ATLAS Is Spewing Water Like a Cosmic Fire Hydrant

Analyses of its emissions using NASA’s Neil Gehrels Swift Observatory indicate that the interstellar comet probably has a very different structure than comets in the solar system. [...]