Researchers found a potential link between Pitocin and newborns' admissions to neonatal ICUs.
Billionaire founder of Paypal invests his own money to help end delays on freeway.
Almost 12 years after 9/11, a landing gear of one of the hijacked planes has turned up in lower Manhattan.
Ben Moir, of Stepo, talks about Durex's new experiment in remote sex: Fundawear.
Defense Secretary Chuck Hagel says the U.S. intelligence community believes Syria has used chemical weapons.
Officials at the Field Museum unveil a group of meteorites which fell to the earth in Russia in February. The meteorites will be on display at the Field Museum.
US scientists have created an artificial ear using 3-D printing technology and living cells. The ear looks and behaves like a real ear and offers hope to children born with ear deformities. Sharon Reich has more.
Investigators are talking to Tamerlan Tsarnaev's widow about his Boston bombing plot. CNN's Chris Lawrence reports.