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Tech
New technologies could keep people cool in a warming world
New approaches to air conditioning aim to keep people cool with fewer greenhouse-gas emissions as our world warms.
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Fossils
Ocean life may have bounced back after the ‘Great Dying’
Marine ecosystems may have been back in action just a million years after the most severe extinction event known.
By Nikk Ogasa -
Ecosystems
Let’s learn about how wildfires keep ecosystems healthy
Wildfires are so important for many ecosystems that sometimes professionals set them on purpose.
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Chemistry
Scientists Say: PFAS
Non-stick coatings, stain-resistant cloth and other common materials leach long-lived PFAS into soil and water.
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Climate
Due to global warming, major league hitters are slugging more home runs
Major League Baseball has seen an average of 58 more home runs each season since 2010. The apparent reason: reduced friction on the balls in warmer air.
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Tech
Recycling rare-earth elements is hard — but worth it
As demand for these valuable metals has been skyrocketing, scientists have begun inventing new — and greener — ways to reuse what they have in hand.
By Erin Wayman -
Environment
Rare-earth mining is dirty but key to a climate-friendlier future
That’s spurring new research to find a steady but safer supply of these precious metals, including in the United States.
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Earth
Rare earths’ hidden electrons make much of modern tech possible
Because of their unique chemistry, rare-earth elements can generate powerful magnetic fields and fine-tune light for a wide range of applications.
By Nikk Ogasa -
Earth
Scientists Say: Altitude
Altitude is used to describe heights in geography, astronomy and math.
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Health & Medicine
How to be heat-safe when playing sports
Protecting young athletes from overheating is getting more important as climate change turns up the temperature.
By Megan Sever -
Environment
Sea life may suffer as plastic bits alter metals in water
This interplay between plastics and metals could affect how each affects the environment — and suggests opportunities for controlling their risks.
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Climate
Here’s how to increase clean energy without harming wildlife
Wind farms, solar panels and more take up land and may harm wildlife. Researchers are working to resolve this conflict.