Uncategorized

  1. Plants

    Scientists Say: Xylem

    How do trees ferry water from the soil to branches hundreds of feet in the air? This week’s word is the answer.

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  2. Health & Medicine

    News Brief: People shed clouds of tell-tale germs

    Even after someone has left a room, a cloud of his or her germs laces the air, new data show. Watch out: That mix can be very individual — and even ID you!

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  3. Animals

    Cool Jobs: Finding new uses for nature’s poisons

    Scientists study toxins and other natural compounds in search of alternatives to ineffective antibiotics and dangerous pesticides.

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  4. Chemistry

    Trio gets chemistry Nobel for figuring out DNA repair

    Three researchers have won the 2015 Nobel Prize in chemistry for working out how cells fix damaged genetic material.

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  5. Health & Medicine

    Store-receipt chemicals taint blood and urine

    Cashiers who handle receipts absorb potentially risky levels of chemicals that coat the receipts, a new study shows.

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  6. Physics

    Particles that zip through matter snare Nobel

    Two scientists won the 2015 Nobel Prize in physics for their discovery that neutrinos, particles that can pass through almost all matter, have mass.

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  7. Cooking up a Broadcom win

    Students who improved microwave ovens and built calculating apps took home big awards at the 2015 Broadcom MASTERS.

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  8. Health & Medicine

    Friends’ good moods can be contagious

    Good mental health spreads through teen social networks, but depression doesn’t, a new study finds.

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  9. Health & Medicine

    Nobel goes for developing drugs from nature

    The 2015 Nobel Prize in medicine went to scientists who used nature as the model for important human drugs to combat malaria and serious infections.

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  10. Animals

    Sperm whales’ clicks suggest the animals have culture

    Sperm whales appear to learn the sounds they use to socialize. That suggests they have some form of culture.

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  11. Health & Medicine

    Alcohol can rewire the teenage brain

    Alcohol — especially binge drinking — can harm teens. New research shows teen drinking may leave a lasting legacy.

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  12. Materials Science

    Scientists Say: Kevlar

    Many people hear Kevlar and think of body armor. But this polymer is in so much more.

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