News Earth

Study gives new answer for muddy mystery

By Ruth Bennett

This article is only available to Science News subscribers.

Subscribers, enter your e-mail address to access our archives.

Not a subscriber?

Science News is a nonprofit.

Support us by subscribing now.

More Stories from Science News on Earth

  1. illustration of Plateosaurus
    Paleontology

    Climate change helped some dinosaurs migrate to Greenland

    By Anushree Dave
  2. vegetation maps of California regions affected by wildfires
    Earth

    Color-coded radar maps reveal a patchwork of California wildfire destruction

    By Jack J. Lee
  3. red ochre handprints in a cave
    Earth

    A magnetic field reversal 42,000 years ago may have contributed to mass extinctions

    By Carolyn Gramling
  4. pink flower on a cotton plant in the Yucatan Peninsula
    Plants

    Modified genes can distort wild cotton’s interactions with insects

    By Emiliano Rodríguez Mega
  5. fin whale
    Earth

    Fin whale songs can reveal hidden features of the ocean floor

    By Carolyn Gramling
  6. air quality station in Gosan, South Korea
    Earth

    A drop in CFC emissions puts the hole in the ozone layer back on track to closing

    By Maria Temming
  7. Flood in Chamoli District, India
    Earth

    Three things to know about the disastrous flood in India

    By Carolyn Gramling
  8. biomorphs
    Earth

    Fossil mimics may be more common in ancient rocks than actual fossils

    By Carolyn Gramling

From the Nature Index

Paid Content