MS-PS1-2

Analyze and interpret data on the properties of substances before and after the substances interact to determine if a chemical reaction has occurred.

  1. Brain

    Males and females respond to head hits differently

    Men and women are playing sports equally — and getting concussions in comparable numbers. But how their brains respond may differ greatly.

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  2. Climate

    Clues to the Great Dying

    Millions of years ago, nearly all life on Earth vanished. Scientists are now starting to figure out what happened.

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  3. Chemistry

    How sweat might make you smell sweeter

    A new scent-delivery system ensures that the more you sweat, the more perfume it releases. In fact, it only works in contact with moisture.

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  4. Physics

    News Brief: Brrrrr — that’s really cold!

    These atoms approached — and got oh so very close — to absolute zero.

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  5. Chemistry

    Scientists Say: Fulgurite

    When lightning strikes in the right place, it can fuse minerals together in a glassy structure.

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  6. Health & Medicine

    How hot peppers can soothe pain

    Peppers can burn the tongue, but soothe sore tissues. Scientists have now sleuthed out how, and the answer shows a role for stretch sensors on cells.

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  7. Cookie Science 13: The deal with gluten

    To find out how to improve my gluten-free cookies, I learned a lot about what gluten does, and what other baking ingredients might take its place.

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  8. Agriculture

    Explainer: What is a gene bank?

    Most banks store money. But some very special ones store deposits that may prove even more valuable: tissues that could prevent the extinction of breeds and species.

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  9. Chemistry

    Chemistry: Green and clean

    “Green” means environmentally friendly and sustainable. Green chemistry creates products and processes that are safer and cleaner — from the start.

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  10. Chemistry

    Scientists confirm element 117

    Scientists have confirmed the existence of a new, short-lived superheavy element. For now, they’re calling it ununseptium.

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  11. Planets

    Heavenly research

    Groundbreaking research in astronomy landed four high school seniors spots as finalists in the 2014 Intel Science Talent Search.

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  12. Physics

    World’s coolest ‘clock’ is also crazy-accurate

    This is the time to beat — the world’s most accurate atomic clock ever. At its heart is a ‘fountain’ of cesium atoms chilled nearly to absolute zero!

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