Uncategorized

  1. Particle Physics

    A primordial black hole may have spewed the highest energy neutrino ever found

    The Big Bang may have spawned these theoretical black holes, whose lives are thought to end in a burst of extremely energetic particles.

    By
  2. Animals

    Bats live with some viruses. But others can do them in

    Bats can carry some deadly human pathogens without signs of illness. A new survey shows that other viruses can still be bad for bats.

    By
  3. Math puzzle: The four islands

    Solve the math puzzle from our October 2025 issue, in which four princesses divide up lands to keep peace.

    By
  4. Health & Medicine

    A handheld ‘bone printer’ shows promise in animal tests

    Demonstrated in rabbits, the 3-D printer might someday print bone grafts directly onto fractures, complete with antibiotics to ease healing.