Originally published on Fri August 31, 2012 11:04 am
How a cucumber creates its curling tendril has stumped scientists for centuries, including Charles Darwin and Asa Gray. With the help of time-lapse photography and prosthetic tendril fabricated in the lab, physicist Sharon Gerbode, biologist Joshua Puzey and colleagues figured out why tendrils twist, according to a new study in Science.
Mitt Romney accepted the GOP nomination for president Thursday night at the Republican National Convention, promising to create jobs and boost the economy. Host Michel Martin checks in with Corey Ealons; he's a former communications adviser to the Obama administration; and with Ron Christie, a former aide to Vice President Dick Cheney.