Humans

  1. Plants

    Light pollution could be supercharging your pollen allergies

    Light pollution in North American cities seems to be tricking plants into releasing pollen for longer periods each year.

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  2. Humans

    Let’s learn about adrenaline

    In short bursts, this hormone can help you face your fears. But in the long run, too much of it can be unhealthy.

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  3. Health & Medicine

    Meet CLA, a naturally ‘healthy’ fat in burgers, ice cream and more

    Solid at room temp, the natural trans fat conjugated linoleic acid resembles saturated fats — except that it appears good for the body in many ways.

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  4. Health & Medicine

    Here’s what nutrition experts say about dietary fat

    New U.S. dietary guidelines promote eating full-fat dairy and meats. But health experts say nuts and seed oils are better sources of the two crucial fats we need.

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  5. Health & Medicine

    Explainer: What are ultraprocessed foods?

    Packed with chemical additives, these foods have become a major part of our diets. Scientists have begun to worry about how ultraprocessed foods may impact health.

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  6. Tech

    Scientists Say: Technofossil

    Experts predict that the durability of modern, human-made materials will give rise to a radical new form of fossil.

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  7. Archaeology

    Ancient pottery shows the earliest evidence of humans doing math

    The numbers of petals painted on 8,000-year-old pottery showed a distinct numerical pattern.

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  8. Archaeology

    60,000-year-old poison arrowheads show early humans’ hunting tactics

    Traces of poison on the South African arrowheads hint that people used poisoned weapons 50,000 years earlier than previously thought.

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  9. Health & Medicine

    Got brain rot?

    Excessive scrolling through social media or viral videos can mess with your mental health — and possibly alter your brain’s development, studies show.

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  10. Science & Society

    Stressed by tech? Here’s how to find help

    This checklist can help you assess and improve your experiences — and your mental health.

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  11. Science & Society

    Large numbers of underage kids are on social media, study finds

    Two in every three kids aged 8 to 12 have already been on social media, and one-tenth have been bullied there. Some kids report other bad experiences too.

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  12. Health & Medicine

    A new cell model could help kids and teens with arthritis

    This model was built by a teenager with juvenile idiopathic arthritis — a poorly understood chronic illness.

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