Humans

  1. Chemistry

    Lots of makeup may contain potentially harmful ‘forever chemicals’

    Hints of PFAS compounds have turned up in about half of tested makeup products. Waterproof mascaras and lipsticks were very likely to contain them.

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  2. Health & Medicine

    One key change may have helped the coronavirus become a global menace

    One key mutation may have helped the virus behind COVID-19 better infect human cells.

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  3. Humans

    How torchlight, lamps and fire illuminated Stone Age cave art

    Experiments with stone lamps and torches are helping scientists see 12,500-year-old cave art with fresh eyes.

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  4. Archaeology

    Fossils unearthed in Israel reveal possible new human ancestor

    They come from a previously unknown Stone Age group that may represent a complex mashup of early members of our genus Homo.

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  5. Archaeology

    Tennessee site yields oldest known American tattoo tools

    Native Americans may have used sharpened turkey leg bones as tattoo needles between 5,520 and 3,620 years ago.

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  6. Health & Medicine

    Will we all need COVID-19 booster shots?

    Experts say not yet, but booster vaccines may be coming as new SARS-CoV-2 virus variants keep emerging.

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  7. Tech

    Sleep-friendlier lighting is on the way

    Chemists have created a new glowing material for LEDs. It should lessen how much near-bedtime lighting impairs your ability to nod off.

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  8. Environment

    Pond scum can release a paralyzing pollutant into the air

    New study finds blooms of blue-green algae can seed the air with a poisonous pollutant.

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  9. Health & Medicine

    Scientists Say: Nicotine

    Nicotine is an addictive substance found in tobacco plants. It's what makes it so difficult to quit smoking or vaping.

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  10. Health & Medicine

    Warning: Wildfires might make you itch

    Western wildfires are on the rise due to climate change and land use. Now a study adds eczema to the list of health risks that smoke might trigger.

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  11. Humans

    How scientists can get a better picture of our extinct relatives

    Facial reconstructions of extinct species have historically been more art than science. Some researchers hope to change that.

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  12. Brain

    Let’s learn about touch

    Most senses are concentrated around your head. But touch all over your body, and you need every inch.

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