Earth

  1. Climate

    Heat waves appear more life-threatening than scientists once thought

    This is bad news as a warming planet leads to growing numbers of excessive heat waves — and millions more people facing potentially deadly temperatures.

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  2. Earth

    Scientists Say: Humidity

    Feel sticky when you step outside on a summer day? Blame humidity — water in the air.

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  3. Health & Medicine

    Wildfire smoke seems to pose its biggest health risk to kids

    New studies, some of them in young monkeys, point to vulnerabilities affecting kids' airways, brains and immune systems.

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  4. Environment

    Western wildfire smoke poses health risks from coast to coast

    As wildfires become more common, their hazardous smoke is sending East Coast residents — especially children — to emergency rooms.

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  5. Animals

    Whale sharks may be the world’s largest omnivores

    Chemical clues in the sharks’ skin show that the animals eat and digest algae.

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  6. Fossils

    Warm feathers may have helped dinos survive mass Triassic die-off

    Dinosaurs may have weathered freezing conditions about 202 million years ago, thanks to warm feathery coats.

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  7. Climate

    Let’s learn about heat waves

    Heat waves often occur when a high-pressure system lingers over a certain area. These deadly events are on the rise due to climate change.

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  8. Earth

    Earth’s rock collection hints at how to search for life elsewhere

    A new way to sort minerals focuses on how they formed. It provides new clues about Earth’s crystal past and how to find life on other planets.

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  9. Chemistry

    Simple process destroys toxic and widespread ‘forever’ pollutants

    Ultraviolet light, sulfite and iodide break down these PFAS molecules faster and more thoroughly than other methods.

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  10. Climate

    Uplifting Antarctic shores point to accelerating loss of glaciers

    It appears the Pine Island and “Doomsday” Thwaites glaciers are losing ice — and shrinking faster — than at any time in the past 5,500 years.

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  11. Animals

    Some Greenland polar bears are surviving with very little sea ice

    The ‘glacial mélange’ on which they’ve come to rely — a mix of ice, snow and slush — could be a temporary refuge for some polar bears.

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  12. Materials Science

    Let’s learn about diamond

    Diamond is born under extreme heat and pressure inside Earth and elsewhere in the universe.

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