HS-ETS1-2

Design a solution to a complex real-world problem by breaking it down into smaller, more manageable problems that can be solved through engineering.

  1. Earth

    Only 3 percent of Earth’s land is unchanged by people

    A sweeping survey of land-based ecosystems finds that very few still support all the animals they used to. Reintroducing lost species could help.

    By
  2. Agriculture

    New technologies might help keep drought-prone farms green

    After learning how much damage drought can do to crops, two teens designed ways to detect a thirsty plant and make sure it gets enough water.

    By
  3. Planets

    The Perseverance rover split CO2 on Mars to make breathable air

    This oxygen-making experiment shows that astronauts could one day make air to breathe and to help fuel their ride back home.

    By
  4. Computing

    Will this smartphone app become your exercise coach?

    When one teen couldn’t go to the gym, she invented an app to bring her gymnastics coach to her home. She succeeded and won a major award for it.

    By
  5. Tech

    No animal died to make this steak

    The ribeye steak is the first of its kind, and the latest in a growing list of meats printed with a 3-D bioprinter instead of being harvested from an animal.

    By
  6. Physics

    Staying grounded in space requires artificial gravity

    On TV, people in space walk around like they’re on Earth. How can science give real astronauts artificial gravity? Spin right round, baby.

    By
  7. Chemistry

    Level up your demonstration: Make it an experiment

    What’s the difference between a demonstration and an experiment? Questions, measurements and many, many replications.

    By
  8. Brain

    Patterns in brain activity can identify who will struggle to read

    Certain patterns of brain activity predict whether teens are strong readers or will struggle. Those diagnostic patterns show up even when doing math.

    By
  9. Materials Science

    Bandages made from crab shells speed healing

    The chitin in seafood wastes, insect “bones” and fungi is a chemist’s dream. Used in a new medical dressing, it beats regular gauze for wound healing.

    By
  10. Health & Medicine

    Could a toothpaste help treat peanut allergy?

    By rolling an immune therapy into a toothbrushing routine, one company hopes to show its product can build and maintain tolerance to peanut allergens.

    By
  11. Physics

    Getting cozy with a science experiment

    Items you use in your home can inspire a scientific experiment.

    By
  12. Animals

    Analyze This: Cows burp less methane after early-life treatment

    Calves that receive the 14-week treatment belch less of the greenhouse gas, possibly due to shifts in their gut microbes.

    By