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  1. Chemistry

    Meteorites may have delivered phosphorus

    Meteorites may have supplied enough phosphorus to prebiotic Earth to spawn the first signs of life.

    By Alexandra Goho
  2. Physics

    Gold quantum dots

    Scientists have created a new type of quantum dot that could find applications in everything from biological imaging to computer displays.

    By Alexandra Goho
  3. Chemistry

    Molecular machines split water

    Hydrogen derived from molecular machines that use solar energy to split water, rather than hydrogen from fossil fuels, could drive future fuel cell vehicles.

    By Alexandra Goho
  4. Health & Medicine

    Juice could ward off cancer in smokers

    Drinking grapefruit juice every day could reduce the risk of developing cancer from smoking.