Earth Sciences

The Colorado River disappeared from the geological record for 5 million years: Scientists now know where it went

Geologists have solved the mystery of the disappearance from the geological record, millions of years ago, of one of North America's most important waterways: the Colorado River. A paper published in Science shows that the ...

Earth Sciences

Indonesia's fire crisis comes into focus as high-resolution satellite maps expose 5.62 million hectares affected

Indonesia experiences massive forest fires as the dry season approaches. They are a major environmental challenge because they damage forests and other land, endanger lives, and disrupt local economies. Using sharp, high-resolution ...

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Cutting calories to slow aging—without compromising health

Restricting calorie intake in species such as mice, rhesus monkeys, and fruit flies has been shown to extend their lifespans. In some cases, these animals not only live longer, but are also free of disease. But when pushed ...

Volunteers discover rare space weather events using their ears

Our planet rests inside a magnetic cocoon filled with plasma—but it's not always peaceful and quiet. Activity from the sun can send waves through this space, and some of those disturbances can even reach Earth, affecting ...

Kinship interlocks: How the rich stay rich

How do some wealthy families remain in the upper class for many generations, while other rich families do not? That is the question author Shay O'Brien (Massachusetts Institute of Technology) tackles in the sociological study ...

Cacti fungal endophytes may help cacao tolerate drought

Beans of the cacao plant, Theobroma cacao, are used in chocolates, pharmaceuticals and other products, but they're under threat. Increased drought associated with climate change has already begun to stress cacao-growing regions ...

German firms trapped between US and China, study finds

Germany's largest companies are deeply entangled with rival businesses in China and the US, and unable to escape either superpower, according to new research published by the University of Sussex and King's College London. ...

How the solar wind really works

The sun, our nearest star, never stops breathing. Every second of every day, it exhales a vast stream of charged particles that sweeps outward through the solar system at hundreds of kilometers per second. We call it the ...

How scientists prepare expeditions in remote environments

Scientific expeditions require months of planning before scientists can acquire the first data. A bark cuts through the Arctic silence, waking Anna up. She slept only three hours after collecting the last sample. Anna reaches ...