Uncategorized
- Earth
Flame retardants morph into dioxins
Sunlight can break down common flame retardants, now nearly ubiquitous in the environment, into unusual chemicals in the dioxin family.
- Earth
Reused paper can be polluted
Toxic chemicals can end up in recycled paper, making release of these reused materials into the environment potentially harmful.
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From the May 20, 1933, issue
LARGEST X-RAY TUBE BEGINS TO BATTLE AGAINST CANCER The mightiest weapon yet to enter the war against cancer was put in operation at the Mercy Hospital Institute of Radiation Therapy of Chicago. It is a new, 800,000-volt X-ray tube that, operating on a current of 1/100 of an ampere, is estimated to emit radiation equal […]
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Amphibian Atlas
Looking for a Montana tailed frog outside Montana or wondering in which state you might find a desert slender salamander? The U.S.
