Science Friday, a weekly radio show about science, provided two interesting interviews this week for those interested in the earth sciences:

University of Chicago paleontologist Paul Sereno talks about the new tiny T-Rex.  Abstract available here. (Photo: Paul Serano via Science Friday.)

Don Brownlee, Principal Investigator, NASA’s Stardust Mission and Professor, Department of Astronomy, University of Washington Seattle, Washington talks about samples of comet dust that were returned to Earth embedded in aerogel contained the amino acid glycine, with an isotopic signature that indicates it was not formed on Earth. (Image: NASA/JPL via Science Friday)