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7:12
John Howell of the Univesity of Rochester on the science behind invisibility.
3:49
Hari Sreenivasan sits down with American Library Association President Sari Feldman
1:37
Adam Obeng of Columbia University discusses his new app Chirp.
7:36
A hospital is developing a new parachute implant for patients suffering from heart disease
3:35
Brain surgery performed while awake helps mitigate symptoms of Parkinson's disease.
5:17
The decommissioned space shuttle Atlantis has a new home in Orlando, Florida.