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New theory may at last explain a swamp’s ghostly will-o’-the-wisps

Under a midnight moon, Luigi Garlaschelli peered out over graves. This University of Pavia chemist was scouting for glowing balls of light. They’re known throughout the world by a number…

Why is bird flu making cows sick?

Abstract Did you know bird flu can affect animals other than birds? Bird flu usually affects wild birds like geese and farm birds like chickens. But sometimes it can “jump”…

Analyze This: Ice around baby stars may hint at origins of Earth’s water

Distant baby stars might be able to shed new light on the origins of Earth’s water. One clue to where water came from is how much of it is “semi-heavy.”…

What’s so noble about the Nobel Prize?

Katalin Karikó thought the call was a joke. It was 3 a.m. on October 2, 2023. Her husband answered the phone. As someone who maintains buildings, “he quite frequently gets…

Could we ever build the tech to shrink ourselves?

When Alice from Alice in Wonderland consumes a mysterious bottle labeled “drink me,” she quickly shrinks to the floor. The Magic School Bus once got attacked by white blood cells…

Let’s learn about tardigrades

Tardigrades — also known as water bears or moss piglets — are pretty adorable. Under a microscope, each one looks a bit like a plump caterpillar, wriggling around on eight…

Potatoes and tomatoes share a surprising history

Today’s potatoes arose out of an unlikely mashup — with a tomato. Until now, the potato’s origin and evolution had long been a scientific mystery. It now appears that the…

How does climate change affect mental health?

Abstract Did you know that climate change affects people’s mental health? Some people experience climate change anxiety. They have extreme worries and fears about the future because of climate change.…

Seeing sick faces revs up our immune system, new data show

Just seeing someone who looks sick may trigger our brains and bodies to go into infection-fighting mode. This finding comes from people who viewed faces in virtual reality. If the…

Scientists Say: Element

Element (noun, “EL-eh-mint”) An element is a pure substance made of only one type of atom. Each atom consists of three smaller particles. These are electrons, neutrons and protons. The…