HS-ETS1-3

Evaluate a solution to a complex real-world problem based on prioritized criteria and trade-offs that account for a range of constraints, including cost, safety, reliability, and aesthetics, as well as possible social, cultural, and environmental impacts.

  1. Health & Medicine

    Nano medicines take aim at big diseases

    Nanomedicines are new treatments and tools that are taking aim at disease from the cellular level. Medicine’s next big thing could be very teeny tiny.

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  2. Computing

    Moral dilemma could limit appeal of driverless cars

    Driverless cars will have to be programmed to decide who to save in emergencies — passengers or pedestrians. Many people aren’t yet sure they are ready to choose cars that make the most moral decision.

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  3. Health & Medicine

    Zika vaccines look promising

    As a Zika epidemic surges through Brazil and northward, scientists are looking for drugs to keep more people from becoming infected. Several vaccines show promise in early tests — but none has yet been tried in people.

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  4. Teen makes sure bacteria stay hands-off

    Germs are everywhere. One teen has designed a way to keep them from sticking to a surgeon’s gloves.

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  5. Computing

    Clear, stretchy sensor could lead to wearable electronics

    Researchers have combined plastics and metal to make a transparent, stretchable sensor. It could soon find use in touchscreens, wearable electronics and more.

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  6. Climate

    Volcanic rocks can quickly turn pollution into stone

    A test program in Iceland injected carbon dioxide into lava rocks. More than 95 percent of the gas turned to stone within two years.

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  7. Ink leads way to terminating termites

    Inspired by a classroom experiment, a teen has built a way to lure troublesome termites to their death — using the power of ink.

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  8. Animals

    Catching ‘Dory’ fish can poison entire coral reef ecosystems

    More than half of saltwater-aquarium fish sold in the United States may have been caught in the wild using cyanide, new data show.

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  9. Chemistry

    Concrete science

    Teen researchers are exploring ways to strengthen this building material, use it for safety purposes and use its discarded rubble.

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  10. Brain

    Teen drinking may damage ability to cope with stress

    Teens are often tempted to drink alcohol. Drinking too much — and repeatedly — can hurt their ability to manage stress, a study in rats indicates.

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  11. Climate

    Zapping clouds with lasers could alter Earth’s climate

    Scientists zapped ice crystals in a lab. They were exploring whether this approach might be used to break those crystals in clouds — potentially as a way to cool Earth’s fever.

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  12. Planets

    The ultimate getaway — visiting the Red Planet

    At a recent summit, experts discussed the challenges of a human mission to Mars — and how to land a crew there within 20 years.

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