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We summarize the week's scientific breakthroughs every Thursday.

  1. Health & Medicine

    Is aging without illness possible?

    Researchers are harnessing basic biology to develop drugs that foster healthy aging. Just don’t call them antiaging pills.

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  2. Archaeology

    An ancient, massive urban complex has been found in the Ecuadorian Amazon

    Found by airborne laser scans, this settlement and others throughout Mesoamerica and the Amazon are shifting how archaeologists think about urbanism.

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  3. Genetics

    How ancient herders rewrote northern Europeans’ genetic story

    New DNA analyses show the extent of the Yamnaya people’s genetic reach starting 5,000 years ago and how it made descendants prone to diseases like MS.

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  4. Health & Medicine

    The teen brain is especially susceptible to the harms of THC

    Marijuana that’s higher in THC and concentrated cannabis products may pose even higher risks of addiction and psychosis.

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  5. Anthropology

    Ancient primates’ unchipped teeth hint that they ate mostly fruit

    Of more than 400 teeth collected, just 21 were chipped, suggesting that early primate diets were soft on their choppers.

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  6. Health & Medicine

    Fetuses make a protein that causes morning sickness in pregnancy

    A hormone called GDF15 triggers a part of the brain involved in nausea and vomiting, a new study finds. Blocking its action may lead to treatments.

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  7. Science & Society

    Most people say self-control is the same as willpower. Researchers disagree

    Psychologists say self-control is about planning ahead to avoid relying on willpower in the moment. Laypeople see things differently.

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  8. Health & Medicine

    When it comes to physical activity, every bit counts

    Biking to the store. Raking leaves. Playing with your kids. Scientists are getting a clearer picture of all the activities that offer health benefits.

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  9. Psychology

    Here’s how to give a good gift, according to science

    Gifting researcher Julian Givi outlines common mistakes gift givers make and how science can help us avoid those costly errors.

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  10. Life

    These scientific discoveries set new records in 2023

    This year’s record-breaking findings shed new light on human history and the most amazing feats in the animal kingdom.

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  11. Earth

    Here are some big-if-true scientific claims that made headlines in 2023

    Hominid cannibalism, “dark stars,” the secrets of Earth’s core and more tantalizing findings will require more evidence before scientists can confirm them as fact.

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  12. Health & Medicine

    Here are some of the biggest medical advances in 2023

    The first CRISPR gene-editing therapy, a new Alzheimer’s drug and RSV vaccines were among the big developments in medicine this year.

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