News

  1. Humans

    This ancient Canaanite comb is engraved with a plea against lice

    The Canaanite comb bears the earliest known instance of a complete sentence written in a phonetic alphabet, researchers say.

    By Freda Kreier
  2. Health & Medicine

    Here’s how mysterious last-resort antibiotics kill bacteria

    Scientists are finally getting a grip on how a class of last-resort antibiotics works — the drugs kill bacteria by crystallizing their membranes.

    By Elise Cutts
  3. Life

    Video reveals that springtails are tiny acrobats

    Poppy seed–sized cousins of insects, famed for wild escape leaping, right themselves in mid-falls faster than cats.

    By Susan Milius
  4. Earth

    Catastrophic solar storms may not explain shadows of radiation in trees

    Tree rings record six known Miyake events — spikes in global radiation levels in the past.