Antarctica’s “Doomsday Glacier” Could Raise Sea Levels Twice as Much as Predicted, New Model Finds

A new model of Thwaites Glacier projects up to 30 mm of sea-level rise by 2100, about double earlier estimates. Here is what changed and what the study can’t yet prove.

Tesla Will Stop Making the Cybertruck in 2027, Musk Says

Elon Musk says Tesla will end Cybertruck production next year and use the space for Cybercab robotaxis. Here is how the truck’s sales and specs compare with the original promises.

Revolut Cut Its AI Coding Costs About 90% by Hosting Its Own Model

The London fintech says self-hosting an open-weights model cut AI coding costs roughly tenfold. Here’s what it did, what it means for US businesses, and the catches.

One Opt-Out for AI Training? OpenAI, Google, Microsoft and Anthropic Back a Shared Robots.txt Signal

Four major AI companies back a single robots.txt label for opting out of AI training. Here’s what it does, when each company will honor it, and what site owners can do now.

Short Sleep Added About a Pound in Six Weeks in a 95-Adult Study. Here’s the Fine Print

Adults who delayed bedtime by 90 minutes for six weeks gained about a pound on average in a pooled analysis of randomized trials. Here is what the study did and what it can’t tell us.

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My Oven Does Not Need to Talk to My Phone

Connected features are fine as an extra. But an appliance that only works properly through an app is a worse appliance, and we should stop pretending otherwise.

Antarctica’s “Doomsday Glacier” Could Raise Sea Levels Twice as Much as Predicted, New Model Finds

A new model of Thwaites Glacier projects up to 30 mm of sea-level rise by 2100, about double earlier estimates. Here is what changed and what the study can’t yet prove.

A Spear Likely Killed This 75,000-Year-Old Neanderthal, and He Was Buried Afterward

Cambridge researchers say a wooden spear pierced a Neanderthal’s chest in Iraqi Kurdistan, in what may be the oldest fatal spear attack in the fossil record.

Spiders Sleep in Two Stages, and One Looks Like REM, a Study Finds

University of Bonn researchers filmed jumping spiders overnight and found two distinct sleep stages, one with REM-like twitching. Whether spiders dream is still unknown.

Earth’s Core May Be Leaking Hydrogen Into the Mantle, a New Study Suggests

Computer simulations from a Chinese team suggest hydrogen has been seeping from Earth’s core into the mantle for billions of years. It is a modeling result, with open questions.

Alaska’s Record-Size Tsunami Left Warning Signs. Scientists Say a Monitoring System Could Have Helped

A landslide in Alaska’s Tracy Arm fjord sent a wave 1,580 feet up the walls in 2025. Researchers say thousands of small tremors and a retreating glacier were clues a monitoring system could use.

Soil Bacteria Make a “Pac-Man” Enzyme That Eats Bioplastics, and It Can Also Break Down Penicillin

German researchers found a soil-bacteria enzyme with a wide-open active site that breaks down biodegradable plastics and, in lab tests, penicillin. Ordinary polyethylene went almost untouched.

Why Does the Moon Have Two Faces? First Far-Side Rocks Point to Earth’s Pull

Rocks from China's Chang'e-6 mission suggest Earth's gravity heated the young Moon unevenly, pushing crust-building magma to the far side. Here's the evidence, and the catch.

A Fossil That Sat in a Museum Drawer for Nearly 100 Years Is Europe’s First Megaraptor

A skull fragment collected on England’s Isle of Wight and overlooked since 1924 is a new species of claw-handed predator, the first megaraptor confirmed in Europe.

Two Years of High-Dose Fish Oil Did Not Improve Memory in a 365-Person Trial

A two-year randomized trial found 2,000 mg of daily DHA reached the brain but did not improve memory or stop hippocampal shrinkage in at-risk older adults. Here is the fine print.