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By Grace Francese
Outbreaks of potentially toxic algae are fouling lakes, rivers and other bodies of water across the U.S. Nationally, news reports of algae outbreaks have been on the rise since 2010.
KATERYNA KON / SCIENCE PHOTO LIBRARY / Getty Images
One of the most widespread bacteria known to cause serious gut infections is evolving to take advantage of high-sugar diets in the West and resist disinfecting methods used in healthcare settings.
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Paris officials sealed off the area around the Notre Dame Cathedral to remove lead particles that have settled after a devastating fire destroyed the iconic cathedral's roof and spire in April.
By Nicole Ferox
When my daughter was in preschool, she told me that instead of washing hands before lunch, the children used hand sanitizer. The thinking behind this was probably that hand sanitizer kills bacteria and viruses and therefore — presto! — problem solved. Hands are clean, and it's so much quicker.