Engineering Design

  1. 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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  2. 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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  3. 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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  4. Psychology

    A secret of science: Mistakes boost understanding

    Everyone makes mistakes. It turns out that how you view them says a lot about how — and how much — you’ll learn.

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  5. Materials Science

    Will bacterial ‘wires’ one day power your phone?

    An accidental discovery helps scientists generate electricity out of thin —but humid — air with bacteria-made protein nanowires.

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  6. Tech

    Let’s learn about space robots

    Space robots can take pictures of other planets, analyze samples of their surface and even peer into their interiors.

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  7. Brain

    A bit of stress may help young people build resilience

    A comfortable life may sound fun but may not be so healthy in the long run. A study in monkeys shows there may be a ‘sweet spot’ when it comes to stress.

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  8. Brain

    Puberty may reboot the brain and behaviors

    Facing adversity early in life can hurt how children learn to deal with stress. Puberty can sometimes offer a chance to reset how the body responds to stress, returning it to normal.

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  9. Health & Medicine

    A Hong Kong man got the new coronavirus twice

    His is the first confirmed case of reinfection with this virus. His second bout was detected by accident, because he showed no symptoms.

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  10. Health & Medicine

    Dust can infect animals with flu, raising coronavirus concerns

    Dust particles kicked up from some virus-contaminated surface can become a source of new infections, rodent data show.

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  11. Tech

    A robot referee can really keep its ‘eye’ on the ball

    Have you ever yelled at a referee for making a bad call? Technology has begun taking over some calls in an attempt to make sports fairer.

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  12. Animals

    Viral scents? Dogs sniff out coronavirus in human sweat

    Researchers train dogs to sniff out COVID-19. In the United Arab Emirates, sniffer dogs have already begun identifying infected passengers at airports.

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