According to new research, plants can actually hear the sounds of insects chewing. A University of Missouri study is the first work to report that plants can recognize the sound of a predator through the vibrations of their leaves. To learn more, Robert Siegel speaks with Heidi Appel, senior research scientist in the Bond Life Sciences Center at the University of Missouri.
Israel stepped up its air assault on the Gaza Strip, following the killings of Israeli and Palestinian teens. Unlike air strikes in the past, Israel has tempered its initial show of force for several reasons, but the situation appears to be steadily intensifying.
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In a speech in Oslo, U.S. Attorney General Eric Holder urged European partners to do more to find and disrupt plans of would-be terrorists who head to Syria — and, once trained, might return to the West.
After missing a June 30 deadline, Argentina has a 30-day grace period to pay investors $539 million in interest. Otherwise, the country will default on its debts. Argentinian officials argue they can't make the payment without triggering other debt payments that would bankrupt the country.
The vaccine for human papillomavirus has been controversial from the get-go, partly because it protects against a virus that causes cervical cancer and is spread by sexual activity.
The vaccine's safety has also been contested, with media celebrities like Katie Couric publicizing rare reports of people who became ill or died after receiving the vaccine, even though there was no evidence that the vaccine caused the problems.
On the map, it's right next to Miami. But culturally speaking, Hialeah, Fla., is just as close to Havana. And now, more than ever, Cubans are flocking to Hialeah to shop, taking advantage of the relaxed travel restrictions.
"There are more Cubans here than any place besides Cuba," says Serafin Blanco, who owns a discount clothing store there.
Through these shopping expeditions, Cuba's emerging entrepreneurs can buy goods their customers need and can't find in their country — legally skirting the 50-year-old trade embargo.