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The longer you hold off on using an everyday purchase, the more likely you are to preserve it untouched. kupicoo/E+ via Getty Images

Psychological ‘specialness spirals’ can make ordinary items feel like treasures – and may explain how clutter accumulates

Have you ever bought an item and then just not gotten around to using it because the time never felt right? New studies suggest an explanation for what researchers call nonconsumption.
A Taliban fighter, wearing U.S. clothing and carrying U.S. weapons, looks through a captured night-vision device. Marcus Yam/Los Angeles Times via Getty Images

Taliban, Islamic State arm themselves with weapons US left behind

Despite efforts to prevent militant groups from getting weapons, they often get their hands on U.S. equipment and use it to attack American troops.
An entovegan might happily eat an insect burger like this one, believing that their diet is both sustainable and ethical. Karen Bleier/AFP via Getty Images

More people are eating bugs – but is it ethical to farm insects for food?

Insect farming is growing in popularity as an alternative to traditional livestock and feed production. A scholar evaluates what that means in terms of trillions of insect lives.
Crowds gather at dusk in Austin, Texas, to watch some 1.5 million Mexican free-tailed bats emerge to feed from their roost under the Congress Avenue Bridge. Jeff Haynes/AFP via Getty Images

Artificial intelligence can help highway departments find bats roosting under bridges

Bats roost under bridges and culverts across North America, so highway departments have to check for them before repairing bridges. A new AI tool makes those inspections faster and more accurate.
The eruption of Krakatoa in 1883 sent volcanic dust and gases circling the Earth, creating spectacular sunsets captured by artists. William Ashcroft via Houghton Library/Harvard University

Cómo los atardeceres rojos de Hawái permitieron a un científico aficionado descubrir las corrientes en chorro

El reverendo Sereno Edwards Bishop movilizó a los capitanes de los barcos para rastrear las extraordinarias puestas de sol que aparecen en todo el mundo después de la erupción del Krakatoa en 1883.
Chinese engineers pose after welding the first seamless rails for the China-Laos railway in Vientiane, Laos, June 18, 2020. Kaikeo Saiyasane/Xinhua via Getty Images

China is financing infrastructure projects around the world – many could harm nature and Indigenous communities

Through its Belt and Road Initiative, China has become the world’s largest country-to-country lender. A new study shows that more than half of its loans threaten sensitive lands or Indigenous people.
“My family has lost everything. We all live in this area, and now it’s all gone,” said Fusto Maldonado, whose home in Barataria, Louisiana, flooded during Hurricane Ida. Brandon Bell/Getty Images

Louisiana’s coastal cultures are threatened by the very plans meant to save their wetlands and barrier islands

As the state copes with hurricanes and climate disasters, it is figuring out how to manage the slow-motion loss of its coastal land. But its plans could endanger the cultures that define the region.
Astronomers have found a way to estimate the number of stars in the universe. Comstock Images via Getty Images

How many stars are there in space?

Scientists have a good estimate on the staggering number of stars in the universe.
Emergency medical technicians aid a COVID-19 patient at his home in Louisville, Kentucky. Like much of the U.S., Louisville is experiencing an uptick in COVID-19 patients requiring emergency transport to medical facilities. John Cherry/Getty Images

New treatments for COVID-19 may stave off the worst effects of the virus

Medications to treat COVID-19 are in no way a substitute for the vaccine. But under the right circumstances, some show great promise for helping patients.