Understanding Cataracts in Young and Elderly Eyes
The article explains cataracts as lens haziness causing eye blindness, noting congenital and juvenile forms, traumatic causes from injuries, and senile cataracts common with age. It discusses treatment options, including needling for certain cases, and mentions protective eyewear for workers.
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Hope for Life on Mars Fueled by New Spectroscopy
AP Science Writer William C. Harrison reports Dr. Lewis Kaplan of Caltech JPL says recent U S French studies show hydrogen compounds in Mars atmosphere, renewing hope for life. French researchers Pierre and Janine Connes used enhanced spectroscopic equipment to detect concentrations about 1000 times Earth's, challenging doubts about Mars gravity.
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San Francisco
Mars
Lewis D. Kaplan
California Institute of Technology
Jet Propulsion Laboratory
Kaplan
American Chemical Society
Drs. Pierre
Janine Connes
Pierre
Earth
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