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Gear and Tips to Winter-Proof Your Home

By Matt Jancer
Don't become a snowman in your own house. Here's how to keep your place toasty warm.

Bright Spots in the Global Coral Reef Catastrophe

By Nicola Jones
The first major report on the world’s reefs presents a grim picture of losses from global warming. But there are signs corals can recover if given a reprieve.

The Race Is On to Develop a Vaccine Against Every Coronavirus

By Maryn McKenna
A “universal” shot would protect against every branch of Covid’s viral family tree—even future ones. But getting there won’t be easy.

More Covid Vaccine Boosters Are Coming. Who Should Get Them?

By Maryn McKenna
Federal advisers meet again this week to discuss third shots, but it’s still not clear what the best timing is—or what the US owes the world.

A Huge Subterranean ‘Tree’ Is Moving Magma to Earth’s Surface

By Robin George Andrews
Deep in the mantle, a branching plume of intensely hot material appears to be the engine powering vast volcanic activity.

The $150 Million Machine Keeping Moore’s Law Alive

By Will Knight
ASML’s next-generation extreme ultraviolet lithography machines achieve previously unattainable levels of precision, which means chips can keep shrinking for years to come.

Volcanoes Might Explain That Phosphine on Venus

By Katrina Miller
Last fall, researchers said the presence of phosphine in the planet’s atmosphere could indicate life. But a new study says there could be a geological explanation.

A New Way to Shape Metal Nanoparticles—With a Magnetic Field

By Karmela Padavic-Callaghan
Making the tiny nanoparticles used in everything from electronics to paint isn't easy. But a new experiment creates order out of chaos.

Wait, Vaccine Lotteries Actually Work?

By Adam Rogers
Ooh, the behavioral economists are going to be so smug about this.

Lyft’s Revamped Bike-Share Ebike Is Sleek—and Beefy

By Julian Chokkattu
It’s got a better motor, a bigger battery, and a flashy paint job. Riders in San Francisco will soon be able to take the public beta for a spin.