Engineering Design

  1. Humans

    Changing climates can take cooling tips from warm regions

    When summer heat waves hit northern cities, people might look to keep cool using tropical building strategies — and forgotten architectural wisdom.

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  2. Chemistry

    Study acid-base chemistry with at-home volcanoes

    Baking soda volcanoes are a fun demonstration, and with a few tweaks they can be an experiment, too

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  3. Health & Medicine

    Trio wins 2020 Nobel for discovery of hepatitis C

    It took 50 years from discovery of hepatitis C to its cure. For their pivotal work in this area, three men will take home a 2020 Nobel Prize.

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  4. Chemistry

    How to recycle ‘nonrecyclable’ plastics

    A new process can convert some nonrecyclable plastics into a type that now can be reused. That could greatly cut down on wastes sent to landfills.

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  5. Brain

    Confidence can make you miss important information

    Being confident can feed a confirmation bias in us, new studies show. This bias can make your brain ignore other people’s ideas and any conflicting information.

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  6. Health & Medicine

    A glowing new way to measure antibodies

    Researchers invent a way to detect and measure antibodies with glowing proteins. Antibodies can mark exposure to various diseases.

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  7. Archaeology

    Stonehenge enhanced voices and music within the stone ring

    Scientists built a 'Stonehenge Lego' model in a sound chamber to study how sound would have behaved in the ancient stone circle.

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  8. A dirty and growing problem: Too few toilets

    As the famous book says, everybody poops. That’s 7.8 billion people, worldwide. For the 2.4 billion with no toilet, the process can be complicated.

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  9. Chemistry

    New solution for carbon dioxide: Turn it into ‘green’ fuel

    Chemists have created a new way to convert carbon dioxide into ethanol. It might one day help remove excess CO2 — a greenhouse gas — from the air.

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  10. Life

    If bacteria stick together, they can survive for years in space

    Tiny clumps of bacteria can survive at least three years in outer space. This raises the prospect of interplanetary travel by microbial life.

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  11. Chemistry

    Build ice towers with bottled water and ice

    Pour out liquid water into a solid ice tower. We outline the conditions you’ll need to turn this demonstration into a super-cool experiment.

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  12. Archaeology

    Let’s learn about ancient technology

    Ancient people didn’t have the internet. Instead, they performed surgeries, made weapons and built monuments with wood, stones, rope and fire.

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