About 100 tons of marine life rode aboard the huge concrete dock that washed ashore in Oregon earlier this week. Marine biologists were shocked to see that Japanese coastal species survived the trans-Pacific trek, but they are also worried about the risk for invasive species.
Russian antivirus firm Kaspersky Lab has discovered a piece of malware infecting computers mostly in the Middle East. Flame eavesdrops on conversations, takes screenshots and steals data from infected computers without being detected. Wired's Kim Zetter discusses how the malicious code works.
Alan Alda challenged scientists to explain what a flame is to an 11-year-old. Three months and more than 800 entries later he is back with the winner of the contest. Ira Flatow and guests discuss the winning entry and why the contest was an effective exercise in science communication.
Reporting in the journal Nature Communications,researchers write that they were able to track down the cells causing clogged arteries. Dr. Jill Helms, co-author on the study, discusses why stem cells are to blame and how the study could lead to more effective treatments.
SpaceX's Dragon capsule has travelled safely to the International Space Station and back. The next step, says Space.com writer Clara Moskowitz, is to outfit the capsule for crew, which SpaceX hopes to complete by 2015. Until then US astronauts will hitch rides on Russia's Soyuz, at about $60 million a pop.
Last year, the National Reconnaissance Office gave NASA a gift--two declassified spy telescopes, each higher in quality than anything NASA has ever produced for space. NASA astrophysics director Paul Hertz and Caltech theoretical physicist Sean Carroll discuss how the telescopes could be used to hunt for elusive dark matter and dark energy.
In four billion years, the Milky Way and Andromeda galaxies will collide, according to a study in the Astrophysical Journal. Roeland van der Marel, an astronomer at the Space Telescope Science Institute, talks about how this discovery was made, and the fate of our solar system.
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