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How does Earth keep its atmosphere?
Earth's atmosphere is an extremely thin skin surrounding our planet. What force keeps it from flying off into space?
March 5, 2011
Hadron Collider used to create sound
Scientists at the LHC are converting data from both real and simulated particle collisions into sound. Hear a proton collision played on marimba.
March 4, 2011
How Antarctica ice forms turned upside down
New research by scientists at Columbia University’s Earth Institute indicates that some Antarctic ice Is forming from the bottom up.
March 3, 2011
Earthquake in a wheelbarrow
Watch this video created by a survivor of the February 2011 earthquake in Christchurch, New Zealand.
March 3, 2011
Black squirrels are mutants, but not thugs
Not all squirrels are gray. Black squirrels are just like Eastern gray squirrels, except with more fashionable genes.
March 3, 2011
Wild candid cameras capture animals at home
Cameras triggered by motion control sensors are a great way to capture photos of wild animals without being too intrusive in their habitat.
March 2, 2011
Rocks on Mars may represent habitable environment
Rocks on Mars from its early history – almost four billion years ago - suggest there might have been a habitable environment underneath the surface of the planet.
March 2, 2011
Thunder Thighs is the nickname for a new dinosaur
A new dinosaur species discovered in Utah has been nicknamed "Thunder Thighs" for its enormously powerful thigh muscles.
March 1, 2011
First breathable atmosphere 500 million years ago
Large amounts of oxygen released by ocean plankton made breathable atmosphere on Earth for the first time in history. This happened about 500 million years ago.
March 1, 2011
Male polygamists benefit more than females in reproduction
In the calculus of evolution, your ability to represent, gene-wise, in future generations is your measure of evolutionary fitness. By this calculus, male polygamists rule.
February 28, 2011
