Uncategorized

  1. Physics

    Scientists cooled a nanoparticle to the quantum limit

    Physicists decreased a nanoparticle’s motion to the lowest level allowed by quantum mechanics.

    By Emily Conover
  2. Space

    The wobbling orbit of a pulsar proves Einstein right, yet again

    Astronomers have found a pulsar’s orbit being rocked to and fro as a neighboring white dwarf whips up spacetime, in accordance with general relativity.

    By Christopher Crockett
  3. Life

    Engineered honeybee gut bacteria trick attackers into self-destructing

    Tailored microbes defend bees with a gene-silencing process called RNA interference that takes on viruses or mites.

    By Susan Milius
  4. Genetics

    A new genetic analysis reveals that modern Africans have some Neandertal DNA too

    Humans migrating back to Africa brought genetic material from humans’ extinct Neandertal relatives along for the ride.