Sean J. Morrison

Oct. 05, 2012

From Stem Cells to Eggs (and Beyond)

Stem cells can be turned into heart, liver, and brain cells -- but what about a whole new organism? A study in Science explains the transformation from stem cell to egg to mouse pup.

stem cells, eggs, reproductive system, mice, cell differentiation

Mar. 04, 2011

Non-Embryonic Stem Cells Have More DNA Damage

Adult cells reprogrammed to a primal state appear to have more mutations than embryonic stem cells.

stem cells, dna, biology, cells

Oct. 31, 2008

Stem Cell Research and the Election

In this segment, we'll talk about the stance of the Presidential candidates on the issue of human stem cell research. Plus, stem cells as a state election issue.

stem cells, medical research, human embryonic stem cells, hsc

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Michael Pollan Talks Plants and Food

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Happy Thanksgiving!

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Mystery Box

Meet The Balloonatics

\tIt's crunch time for the 'balloonatics' at Macy's Parade Studio. The balloons themselves, which are designed and fabricated in a warehouse in New Jersey, are getting their final checkup before the Macy's Thanksgiving Day Parade. John Piper and Jim Artle take us around the studio and spill the secrets of inflation, explain how to calculate whether your balloon will float, and explain why the balloons look better after a little time in the sun.

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\t \t\t \t\t\tDownload MP4 | Watch on YouTube. \t

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