All Stories

  1. Space

    Did James Webb telescope images ‘break’ the universe?

    James Webb data show bright, massive galaxies that would appear to require new physics to explain. But maybe not, Hubble data suggest.

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  2. Tech

    Scientists Say: Digital Footprint

    Your digital footprint contains both what you post online — and information about your online activity collected by others.

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  3. Animals

    This egg-laying amphibian feeds its babies ‘milk’

    Similar to mammals, this caecilian — an egg-laying amphibian — makes a nutrient-rich, milk-like fluid to feed its babies up to six times a day.

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  4. Artificial Intelligence

    How to design artificial intelligence that acts nice — and only nice

    Today’s bots can’t turn against us, but they can cause harm. “AI safety” aims to train this tech so it will always be honest, harmless and helpful.

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  5. Artificial Intelligence

    ‘Jailbreaks’ bring out the evil side of chatbots

    Researchers break chatbots in order to fix them. This so-called red-teaming is an important way to improve AI’s behavior.

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  6. Chemistry

    Turning jeans blue with sunlight might help the environment

    When dipped in indican and exposed to sunlight, yarn turns a deep blue. This process is more eco-friendly than the current denim dyeing method.

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  7. Animals

    Among mammals, males aren’t usually bigger than females

    In a study of more than 400 mammal species, less than half have males that are heavier than females.

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  8. Earth

    Scientists Say: Supercontinent

    These gigantic landmasses form when much of Earth’s landmass smashes together.

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  9. Artificial Intelligence

    A new tool could guard against deepfake voice scams

    Scammers can use AI to create deepfake mimics of people’s voices. AntiFake could make that type of trick much harder to pull off.

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  10. Health & Medicine

    A new type of immune cell may cause lifelong allergies

    These special memory cells were present in people with allergies and absent in those without.

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  11. Microbes

    What the weird world of protists can teach us about life on Earth

    Microbes vastly outnumber multicellular life on Earth. A close-up look at protists highlights how much we don't know about the microscopic world.

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  12. Artificial Intelligence

    AI learned how to influence humans by watching a video game

    New research used the game Overcooked to show how AI can learn to collaborate with — or manipulate — us.

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