Meteorite barrage may have killed dinosaurs
Scientists challenge the single Chicxulub impact theory, presenting evidence that asteroid fragments found worldwide came from multiple, distinct impacts. French researchers report Pacific spinels incompatible with a Mexican origin, while Houston's Virgil Sharpton notes unmelted quartz from the Mexican crater appears globally.
MENTIONED IN THIS ARTICLE
New York
Chicxulub
Hawaii
Europe
New Zealand
Atlantic
Indian Oceans
Eric Robin
Center For
Gif-sur-Yvette
France
Nature
Virgil Sharpton
Lunar and Planetary Institute
Houston
Sharpton
Mexican Crater
Boy 7 Gets Second Heart Transplant At Loma Linda
A seven year old boy known as Baby Jesse received his second heart transplant at Loma Linda University Medical Center after his donor heart, implanted when he was 16 days old for hypoplastic left heart syndrome, began to fail. The case followed a highly publicized battle and involved right to life activists claiming parental age and marital status influenced the initial refusal.
MENTIONED IN THIS ARTICLE
Loma Linda
Calif
Jesse Sepulveda
Jesse
Loma Linda University Hospital
Endeavour to chase Eureca satellite on 10:38 a.m. lift off
NASA launches Endeavour to retrieve the Eureca satellite, a 4.5 ton European craft, 65 feet long, from 300 miles above Earth. The eight day mission includes a four hour spacewalk to test tools for the Hubble repair and the Spacehab mini lab.
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Cape Canaveral
Fla
NASA
Space Shuttle
Endeavour
Earth
Eureca
Hubble Space Telescope
Spacehab
European Space Agency
Kennedy Space Center
Atlantic Ocean
Prostate cancer cases rise with surgery yet survival unchanged
National Cancer Institute data show higher diagnosis rates for prostate cancer due to new tests like PSA. More men undergo prostate removal or radiation, but mortality remains steady. Experts warn surgery has higher death risk and can cause impotence and incontinence, while early detection’s mortality benefit is unproven. A large study starts in October to see if testing improves survival, results after a decade.
MENTIONED IN THIS ARTICLE
National Cancer Institute
The
Cancer Institute
American Cancer Society
Larry Kessler
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Andrew Gobes
Andrew
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Iowa
Bud Jennings
Lawrence