HS-ETS1-1

Analyze a major global challenge to specify qualitative and quantitative criteria and constraints for solutions that account for societal needs and wants.

  1. Health & Medicine

    Family, friends and community inspired these high school scientists

    When looking for research ideas, listen to the people around you. What problems are they facing? What could you do to help?

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  2. Environment

    Bottled water hosts many thousands of nano-sized plastic bits

    The finding emerges from tests of a new tool that identified smaller-than-ever tiny plastic bits in three brands of bottled water.

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  3. Physics

    A new tool shows tiny changes in the ’24-hour’ length of a day

    An underground instrument known as ‘G’ uses laser beams to measure Earth’s rotation — a gauge of day length — with extreme precision.

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  4. Materials Science

    This house is partly made of recycled diapers

    After being washed, dried, sanitized and shredded, used diapers were mixed with other materials to make a strong concrete.

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  5. Climate

    For greener toilets and air conditioning, consider saltwater

    Using saltwater would allow coastal cities to save their freshwater for drinking and to reduce their carbon footprints. Some could save money, too.

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  6. Tech

    A device spots and counts honeybees hosting a dangerous parasite

    At Regeneron ISEF, three teens debuted an infrared system to detect honeybees carrying mites. It can show beekeepers when a colony needs to be treated.

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  7. Tech

    A new solar-powered gel purifies water in a flash

    The unusual, fruit-inspired structure of this material provides quick filtration that could satisfy people's daily water needs.

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  8. Animals

    Analyze This: Puppies naturally mimic human actions

    Unlike cats, whose ancestors hunted alone, dogs evolved from a species that hunted in packs. Being social might explain why pups copy humans.

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  9. Genetics

    Experiment: Are fingerprint patterns inherited?

    Let’s investigate whether fingerprint patterns are created randomly or whether they are influenced by genetics.

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  10. Chemistry

    Chemists have unlocked the secrets of long-lasting Roman concrete

    By searching ancient texts and ruins, scientists found a concrete recipe that could make buildings stronger — and help address climate change.

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  11. Environment

    Sea life may suffer as plastic bits alter metals in water

    This interplay between plastics and metals could affect how each affects the environment — and suggests opportunities for controlling their risks.

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  12. Physics

    A powerful laser can control the paths that lightning takes

    In a mountaintop experiment, a laser beamed at the sky created a virtual lightning rod that snagged several bolts.

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