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Rice University scientists have released the first results of extensive water sampling in Houston after the epic flooding caused by Hurricane Harvey. They found widespread contamination by E. coli, likely the result of overflow from flooded wastewater treatment plants.

Add just enough fertilizer, and crops thrive. Add too much, and you may end up with contaminated surface and groundwater.

Data from ESA (European Space Agency) and NASA’s Solar and Heliospheric Observatory (SOHO) has captured the dynamic movement of the Sun’s atmosphere for over 20 years. Today, we can hear the Sun’s movement — all of its waves, loops and eruptions — with our own ears.

New-generation lung cancer drugs have been effective in a large number of patients, but within about a year, the patients tend to develop resistance to the therapy. Researchers at the Weizmann Institute of Science, in collaboration with physicians, have conducted a study in mice, in which they used existing drugs in a new combination to help crush potential resistance to the treatment. Their findings were published recently in the journal Clinical Cancer Research.

The 2014 megafires in Canada's Northwest Territories burned 7 million acres of forest, making it one of the most severe fire events in Canadian history.