News

  1. Neuroscience

    Why is math harder for some kids? Brain scans offer clues

    Kids with math learning disabilities process number symbols differently than quantities shown as dots — and it shows up in MRIs.

    By Lily Burton
  2. Animals

    Here’s how honeyeaters and other birds thrive on sugary diets

    Birds that feed on nectar or fruit evolved better mechanisms for managing metabolism, blood pressure and high glucose.

    By Bethany Brookshire
  3. Anthropology

    Mosquitoes began biting humans more than a million years ago

    A DNA analysis suggests mosquitoes shifted from nonhuman primates to early humans nearly 2 million years ago.

    By Tom Metcalfe
  4. Health & Medicine

    Can you trust the results from gut microbiome tests? Maybe not

    Seven firms reported inconsistent results on the same sample, some over multiple tests.