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Do-It-Yourself Science

Do-It-Yourself Science

Have hands-on fun with astrophysics, evolution and neuroscience

April 24, 2008 — John Rennie

Galaxies Collide in Hubble Best-of

NASA and the European Space Agency have released 59 new images of colliding galaxies from the archives of Hubble Space Telescope, to commemorate the 18th anniversary of the telescope's launch.

April 24, 2008

Dark Forces at Work

Ten years ago two teams discovered that the universe will expand forever at an ever faster rate, thanks to an unseen energy. The leader of one of the groups, Saul Perlmutter, expects that new observations will soon illuminate the universe's dark side

April 23, 2008 — David Appell

News Bytes of the Week: Toxic Pets?

Trading security for sweets, Researchers trick Wi-Fi, Traders' testosterone levels predict their profits and more...

April 18, 2008 — Larry Greenemeier, Lisa Stein, Nikhil Swaminathan, JR Minkel and David Biello
On The Shoulders of Giants: John Wheeler and Salome Waelsch

On The Shoulders of Giants: John Wheeler and Salome Waelsch

Physicist John Wheeler and geneticist Salome Waelsch both had incredibly long and fruitful careers, providing numerous fundamental insights in their respective fields. We'll hear from Kenneth Ford, former director of the American Institute of Physics, about Wheeler, who died April 13th at 96. And Princeton's Lee Silver talks about Waelsch, who died last fall at 100 and who was memorialized on April 14th at the Albert Einstein College of Medicine in New York City. Plus we'll test your knowledge of some recent science in the news. Websites mentioned on this episode include www.ianford.com/kenford; www.leemsilver.net

April 16, 2008 — Steve Mirsky

Phobos in Stereo

Behold the latest B-movie horror! Not really. It's just Phobos, the larger and inner of Mars's two moons, in a new image captured by instruments on NASA's Mars Reconnaissance Orbiter on March 23 from a distance of 6,800 kilometers (4,200 miles).

April 11, 2008
Why Did Matter Beat Out Antimatter?

Why Did Matter Beat Out Antimatter?

The odd behavior of a subatomic particle provides a clue as to why matter beat out antimatter in the early universe. Steve Mirsky and JR Minkel report.

April 10, 2008
Letters

Letters

The Semantic Web -- Many Worlds -- Emissions Trading

April 10, 2008
Reviews

Reviews

Beautiful Science -- Project Nim -- Looking for E.T.

April 9, 2008 — Michelle Press
Space

Complex Causes. Alternative Solutions.