Earth
Experiment: Can plants stop soil erosion?
Soil erosion washes pollutants into streams and rivers — but plants may help limit that.
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Soil erosion washes pollutants into streams and rivers — but plants may help limit that.
Steady ‘winds’ can carve clay blobs into lion-shaped landforms called yardangs, a new study suggests. One such yardang may have inspired the Great Sphinx of Giza.
Most pink diamonds may have formed billions of years ago during the tectonics that led to formation and breakup of Nuna, Earth’s first supercontinent.
Mud at the bottom of this lake holds a record showing how humanity has been changing our planet. But the Anthropocene isn’t an official new epoch yet.
The eruption plume spawned lightning that started 20 to 30 kilometers (some 12 to 19 miles) above sea level.
Tectonic plates are giant slabs of rock that make up Earth’s outer layer.
Lake Mercer may serve as a model for better understanding the birth and life of Antarctica’s hundreds of subglacial lakes.
Seismology is the branch of science focused on seismic waves — vibrations that run through or around Earth.
Bits of airborne salt may help raindrops form, removing water from clouds before it can freeze as part of the process that makes lightning.
The force of friction always acts to slow things down. It depends on just two factors: the surfaces and how hard they press together.