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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…

These Korean women spend more time underwater than any other humans

On Jeju Island in South Korea live women who dive deep into the East China Sea. There, they harvest sea urchins and shellfish. Known as Haenyeo, or sea women, they…

How to make a pitched ball curve to your will

Want to be a pitcher? Start practicing. Want to be a great pitcher? Apply a little physics. Sometimes a pitcher will want a ball to curve in a particular direction. Other…

This ‘megaflash’ is now the longest lightning bolt on record

A massive bolt of lightning lit up the sky from Dallas, Texas, to Kansas City, Mo., in October 2017. It’s now officially the longest single flash ever recorded. Satellite data…

Physics explains how rose petals get their iconic shape

Would a rose by any other shape smell as sweet? Maybe. Yet the shape of a rose is part of its beauty — and why these flowers fascinate scientists. As…

Scientists Say: Quantitative and Qualitative

Quantitative and Qualitative (adjectives, “KWAN-ti-tay-tiv” and “KWAL-eh-tay-tiv”) The words “quantitative” and “qualitative” describe two kinds of data. These terms also describe research using each kind of data. Quantitative research relies…