Originally published on Thu October 2, 2014 3:24 am
Hospitals have been on the lookout for the Ebola virus in the United States, and Texas Health Presbyterian in Dallas was no exception. A nurse there did ask about the travel history of the patient who later turned out to be infected with the virus. But some members of the medical team didn't hear that the man had recently been in West Africa. So he was initially sent home — even though he was experiencing symptoms of Ebola, and that meant he was contagious.
Originally published on Wed October 1, 2014 8:52 pm
Nowadays, when there's a killer heat wave or serious drought somewhere, people wonder: Is this climate change at work? It's a question scientists have struggled with for years. And now there's a new field of research that's providing some answers. It's called "attribution science" — a set of principles that allow scientists to determine when it's a change in climate that's altering weather events ... and when it isn't.
Originally published on Wed October 1, 2014 6:28 pm
Bats produce "pings" or "clicks," right? They make these high-pitched sounds, too high for us to hear, but when their cries ricochet off distant objects, the echoes tell them there's a house over there, a tree in front of them, a moth flying over on the left. And so they "see" by echolocation. That's their thing. They are famously good at it.
Originally published on Wed October 1, 2014 12:50 pm
Updated at 12:50 p.m. ET
The number of dead from a volcanic eruption in Japan has climbed to nearly 50 after more victims were recovered from Mt. Ontake, which unexpectedly spewed toxic gas last week as people hiked near the 10,000-foot summit.