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Were Dinos on Their Way Out Before the Meteor?

Were Dinos on Their Way Out Before the Meteor?

Fossil data presented at an evolution conference at The Rockefeller University indicate that pterodactyls got steadily larger, possibly because smaller ones couldn't compete with birds. Which could mean that the dinos were in trouble even before the meteor hit. Steve Mirsky reports.

May 7, 2008
Plasma Physics: From Black Holes to Radio Reception

Plasma Physics: From Black Holes to Radio Reception

Plasma plays a big role from the ionosphere to black holes. Stanford physicist Roger Blandford explains plasma and its connection to black holes in a conversation with Scientific American's JR Minkel. Plus, we'll test your knowledge of some recent science in the news. Web sites mentioned on this episode include www.snipurl.com/26dun-sciam1; www.snipurl.com/26dv2-sciam2; www.nybg.org/darwin

April 30, 2008 — Steve Mirsky

One Giant Leap for Martian Sand

Wind gusts might be rare in the thin Martian atmosphere, but that doesn't stop the Red Planet from kicking up a mean sandstorm every five years or so.

April 30, 2008
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
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