All Stories

  1. Tech

    Did builders of Egypt’s first pyramid use a water-powered elevator?

    A controversial study suggests that ancient people might have used one to hoist the stones used to assemble into King Djoser’s pyramid.

    By
  2. Space

    Here’s why some shooting stars have long-lasting afterglows

    Atmospheric chemistry is the most important factor in determining which meteors leave behind these persistent trails.

    By
  3. Space

    Summer ‘space hurricanes’ are emerging high above Earth’s magnetic poles

    A separation — and later recombining — of Earth’s magnetic field lines may be what churns up these super-high-altitude storms of plasma.

    By
  4. Climate

    Stashing more CO2 in the ocean could slow climate change

    More research is needed on ways to safely remove some CO2 from the water to make room for more — such as by seaweed farming and iron fertilization.

    By
  5. Humans

    Peripheral vision and what we can see in the dark

    The differences between the rods and cones in our eyes explain why objects seem to vanish in the dark when we look at them.

    By
  6. Archaeology

    Analyze This: Human brains can last thousands of years

    Ancient brains may not be rare finds. An analysis of over 4,000 preserved human brains reveals five processes that protect against decay.

    By
  7. Space

    Scientists Say: Cosmic rays

    These energy-packed particles come to us from the farthest reaches of outer space.

    By
  8. Animals

    The last woolly mammoths offer new clues to why this species died out

    The last woolly mammoth herd experienced a drop in genetic variation. But this is likely not what doomed these majestic beasts to extinction, new data suggest.

    By
  9. Animals

    Metal gives the teeth of Komodo dragons their super strength

    Investigating Komodo dragons' ironclad teeth in greater detail could also help solve a dental mystery in dinosaurs.

    By
  10. Planets

    Here are 5 exoplanet mysteries the James Webb telescope could help solve

    This space telescope could reveal much about the formation, makeup and evolution of distant exoplanets.

    By
  11. Plants

    Many flowers and ferns lure in ants as bodyguards

    With an offer of a nectar meal, ferns and flowering plants have been bribing ants to fend off predatory insects — since before the rise of T. rex.

    By
  12. Tech

    Robotics might someday give us an extra hand

    We could control a bonus limb with the movements of our diaphragm.

    By