All Stories
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EnvironmentUltrasound waves can help remove polluting microplastics in water
The innovative process concentrates microplastics within a flowing liquid. A two-step process then removes the potentially toxic bits.
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EcosystemsThe Amazon is in trouble. Here’s why — and why it matters
Challenges from human-caused climate change, deforestation and degradation leave the fate of this vast forest uncertain.
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ChemistryExperiment: Kimchi chemistry
In this cooking and food science project, we make kimchi from scratch and investigate changes in pH and glucose as it ferments.
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SpaceLet’s learn about the Milky Way
At a glance, the Milky Way may look like just a disk of stars. But its structure is actually much more complex.
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PhysicsScientists Say: Supercool
When a liquid is supercooled, it has been chilled below its freezing point without freezing.
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ArchaeologyÖtzi the Iceman’s DNA reveals his looks and ancestry
A reanalysis of the ancient guy’s genes shows he was balding and had dark skin. He also had an unusual amount of early farmer ancestry.
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EarthThe sun shines brightest in South America’s Atacama Desert
Solar rays in this high-altitude desert at times rival the light intensity on Venus.
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TechWith tech, farms can double up to produce both food and power
Agrivoltaics merges agriculture with photovoltaic panels, which generate electricity from sunlight. The combo produces clean energy and edible crops.
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ChemistryCreation of quantum dots wins 2023 chemistry Nobel
The award honors three scientists who discovered and built quantum dots, which are now used in everything from TVs to medical tools.
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Physics‘Feathering’ helps explain Gentoos’ record-breaking swim speed
Videos and computer analyses reveal the secrets of the penguins’ superspeed. The results could inspire future underwater vehicles.
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PhysicsEfforts to create ultrafast light pulses win 2023 physics Nobel
Pierre Agostini, Ferenc Krausz and Anne L’Huillier won the prize for creating light bursts that last billionths of a billionth of a second.
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SpaceFour researchers on Earth are spending a year on ‘Mars’
A crew of four entered Mars Dune Alpha in Houston, Texas. They will remain isolated inside for a year, living and working as if on the Red Planet.