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Comics

Fighting climate change means taking laughing gas seriously

Agriculture researchers seek ways to reduce nitrous oxide’s impact on warming

The cataclysmic flood that wasn’t

Researchers have long believed that a sudden, massive deluge filled a dry, salt-filled Mediterranean some 5 million years ago. Turns out that probably didn't happen, but there was still drama aplenty.

A deeper understanding of the Grand Canyon

After 100 years as a national park and eons as a geological wonder, the American icon continues to reveal layers of its past and of the landscape ahead

Ghost forests are growing as sea levels rise

As trees choked by saltwater die along low-lying coasts, marshes may move in — for better or worse, scientists are learning

Bear hibernation: More than a winter’s nap

The creatures’ annual protracted snoozes have much to tell us about the biology of mammals, ourselves included. Now scientists are watching to see how bears will tweak their habits as the climate warms.

The strange animals that control their body heat

Some creatures can dramatically alter their internal temperature — a strategy called heterothermy — and outlast storms, floods and predators

How to short-circuit short-term thinking

OPINION: Human behavior is fueling major social dilemmas — from climate change to the Covid pandemic to the spread of misinformation. But that means it’s also the solution, if only we can harness psychology for the common good.

Top science stories of 2025

In a year of funding chaos, ongoing climate change and pollution perils, we also saw the most powerful telescope yet, personalized gene therapy, and the next-best-thing to an HIV vaccine — not to mention a brand-new color

Mining the deep ocean

Renewable technologies need a multitude of critical minerals. The seabed could supply these riches. But at what cost?

What will it take to recycle millions of worn-out EV batteries?

In Nevada and other US states, entrepreneurs are anticipating the coming boom in retired lithium-ion batteries from electric cars and hoping to create a market for recycled minerals

Not enough fish in the sea

The scientist who found a way to tally up global catches is an ocean advocate and a vocal critic of industrial fisheries. Now we have a treaty for the high seas — but does it go far enough?

Stashing CO₂ in the sea

Keeping global warming to manageable levels will require removing carbon dioxide from the atmosphere and storing it somewhere else. The world’s oceans may be a promising option.

The history of the ocean, as told by tiny beautiful fossils

Bountiful remains of foraminifera reveal how organisms responded to climate disturbances of the past. They can help predict the future, too.

The road to low-carbon concrete

For thousands of years, humanity has had a love affair with cement and concrete. But now, industry groups and researchers are seeking solutions to the huge amounts of carbon dioxide that cement-making generates.

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