News

  1. Health & Medicine

    Mouse hair turns gray when certain stem cells get stuck

    Stem cells involved in giving hair its color must keep moving and changing maturity levels to prevent graying, a mouse study suggests.

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  2. Oceans

    Satellite data reveal nearly 20,000 previously unknown deep-sea mountains

    By looking for tiny bumps in sea level caused by the gravity of subsurface mountains, researchers have roughly doubled the number of known seamounts.

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  3. Physics

    Black holes resolve paradoxes by destroying quantum states

    A classic quantum experiment done near a black hole would create a paradox, physicists report. But not if the black hole collapses quantum states.