Uncategorized

  1. Health & Medicine

    A common food additive may make the flu vaccine less effective

    A food preservative may impair the ability to fight the flu, a study in mice suggests.

    By Tina Hesman Saey
  2. Health & Medicine

    When an older person’s brain waves are in sync, memory is boosted

    A brain stimulation treatment that nudges older people’s brain waves into sync could lead to noninvasive therapies for dementia and other disorders.

    By Laura Sanders
  3. Earth

    How deadly, fast-moving flows of volcanic rock and gas cheat friction

    Mixtures of hot volcanic rock and gas called pyroclastic flows travel so far by gliding on air, a new study suggests.

    By Maria Temming
  4. Math

    Mathematicians may have found the fastest way to multiply huge numbers

    A new theoretical method for multiplying enormous figures appears to achieve a speed first predicted decades ago.