Q & A On Swine Flu
A never-before-seen strain of swine flu has turned killer in Mexico and is causing milder illness in the United States and elsewhere. While authorities say it’s not time to panic, they are taking steps to stem the spread and also urging people to pay close attention to the latest health warnings and take their own precautions.
“Individuals have a key role to play,” Dr. Richard Besser, acting chief of the Centers for Disease Control and Prevention, said Monday.
Here’s what we need to know:
By SETH BORENSTEIN, AP Science Writer
For the first time scientists matched a meteorite found on Earth with a specific asteroid that became a fireball plunging through the sky. It gives them a glimpse into the past when planets formed and an idea how to avoid a future asteroid Armageddon.
Last October, astronomers tracked a small non-threatening asteroid heading toward Earth before it became a “shooting star,” something they had not done before. It blew up in the sky and scientists thought there would be no space rocks left to examine.
But a painstaking search by dozens of students through the remote Sudan desert came up with 8.7 pounds of black jagged rocks, leftovers from the asteroid 2008 TC3. And those dark rocks were full of surprises and minuscule diamonds, according to a study published Thursday in the journal Nature.
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