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  1. Materials Science

    Titanium dioxide hogs the spotlight

    Researchers have created new coatings that break down toxins and keep mirrors from fogging when the materials are exposed to visible light.

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  2. Earth

    New type of hydrothermal vent looms large

    The discovery of a new type of hydrothermal vent system on an undersea mountain in the Atlantic Ocean suggests that submarine hydrothermal activity may be much more widespread than previously thought.

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  3. 18959

    It may help to understand where that “missing antimatter” is if we just look around us. A proton has a positive charge–the sum of the quark polarities. If the (negative) electrical charge resident on the proton is in a reverse-time continuum, we would see it as positive.