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. 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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  2. 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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  3. 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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  4. 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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  5. 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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  6. 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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  7. 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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  8. 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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  9. Tech

    Can we build Baymax?

    Baymax may be science fiction, but soft robotics is not. Experts break down Baymax’s parts and show what’s coming in the future.

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  10. Health & Medicine

    High school scientists tackle community health and safety risks

    Three finalists in the 2023 Regeneron Science Talent Search aim to improve suicide risk assessment, treatment of sickle cell disease and more.

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  11. Chemistry

    Scientists Say: Rubisco

    Rubisco is a key protein in the process of photosynthesis, which feeds plants — and, in turn, us.

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  12. Tech

    Can a robot ever become your friend?

    Social robots can teach, help and keep people company. What would it take for machines to form real friendships with people? And do we even want that?

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