PIZZA LUNCH PODCASTS
Retracing the Evolution of African Penguins
Listen to the podcast:
Download the MP3 audio file for this podcast by right clicking the player and selecting "Save Audio As...".
"Penguins are 10 times older than humans and have been here for a
very, very long time," said Daniel Ksepka, Ph.D., a researcher at the National Evolutionary Synthesis Center (NESCent). Dr. Ksepka researches the
evolution of penguins and how they came to inhabit the African
Because penguins have been around for over 60 million
years, their fossil record is extensive. Fossils that Dr. Ksepka and his
colleagues have discovered provide clues about migration patterns and
the diversity of penguin species.
Dr. Ksepka goes into more depth
about how his research is piecing together the evolutionary puzzle of
penguins and other related bird species.
Watch the interview:
Read his blog, March of the Fossil Penguins.
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PODCASTS: Expanding With the Cosmos
Using the Atacama Cosmology Telescope (ATC), a 6.5-meter microwave collector in Chile, cosmologists are piecing together the early history of the known universe. In an exclusive American Scientist interview, Arthur Kosowsky—a member of the ATC team and a professor in the Department of Physics and Astronomy at the University of Pittsburgh—discusses how he is using ATC to reach back in time billions of years to search for gravitational waves that could verify inflation and reveal unprecedented details about how the cosmos was born.
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