Earth Science

In the August 14 Issue:

::	Earth Science

Top Stories | July 30

Hole from on high
Researchers discover a fresh meteorite impact crater using Google Earth.
National Museum of the Antarctic, University of Siena
Trailing dust devils
Whirlwinds leave dark paths behind by sucking sand grains clean.
Mangroves do a coast good
Left intact, dense swaths of trees can reduce tsunami damage, a new study suggests.
Africa's bumper crop of dust
Seafloor sediments show that agriculture has greatly boosted airborne dust in the last two centuries.
African fossils suggest complex life arose early
Researchers find evidence that Earth’s earliest multicellular life got going 2.1 billion years ago.

:: More in Earth Science

Researchers find evidence that Earth’s earliest multicellular life got going 2.1 billion years ago.

Instruments on a massive berg help pinpoint a previously unreported undersea ridge.

Under certain conditions, aircraft can trigger precipitation as they pass through moisture-laden clouds.

Michigan zircons uncover the path of an ancient river system across North America.

A new theory suggests atmospheric answer to the continuing paradox of why early Earth wasn’t icy.

:: Science News
7|31 Issue Links

Seafloor sediments show that agriculture has greatly boosted airborne dust in the last two centuries.

Researchers find evidence that Earth’s earliest multicellular life got going 2.1 billion years ago.

Blogs:

Deleted Scenes Heftiest stars discovered
By Science News Staff Jul 23rd 2010

Math Trek When intuition and math probably look wrong
By Julie Rehmeyer Jun 28th 2010

Planet Hunter: Geoff Marcy and the Search for Other Earths by Vicki Oransky Wittenstein
A look at exoplanet hunting based on one astronomer’s life and work. Aimed at young adults.Boyds M...
Buy now | More Books

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