Tag: electron microscopy

  • Health

    Molecular motion in detail

    In a critical breakthrough in unraveling how molecular “motors” ferry proteins and nutrients through cells, Harvard scientists have produced high-resolution images that show how the chemical “foot” of dynein — one of the most complex, but least understood such motors — binds to microtubules, the cellular structures it travels on.

  • Science & Tech

    Negative vibes from space

    Astronomers have discovered the first negatively charged molecule in space, identifying it from radio signals that were a mystery until now. While about 130 neutral and 14 positively charged molecules…