Δευτέρα, 19 Μαΐου 2014

Science News SciGuru.com

Science News SciGuru.com

Link to Science News from SciGuru.com

Fluoridating water does not lower IQ

Posted: 19 May 2014 06:30 AM PDT

New University of Otago research out of the world-renowned Dunedin Multidisciplinary Study does not support claims that fluoridating water adversely affects children’s mental development and adult IQ.

The researchers were testing the contentious claim that exposure to levels of fluoride used in community water fluoridation is toxic to the developing brain and can cause IQ deficits. Their findings are newly published in the highly respected American Journal of Public Health.

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Scientists discover how to turn light into matter after 80-year quest

Posted: 18 May 2014 10:00 AM PDT

Imperial College London physicists have discovered how to create matter from light - a feat thought impossible when the idea was first theorised 80 years ago.

In just one day over several cups of coffee in a tiny office in Imperial's Blackett Physics Laboratory, three physicists worked out a relatively simple way to physically prove a theory first devised by scientists Breit and Wheeler in 1934.

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