Researchers found that ancient hominids—including early humans—were exposed to lead throughout childhood, leaving chemical traces in fossil teeth. Experiments suggest this exposure may have driven ...

Iowa is directing $25 million to Central Iowa Water Works to upgrade nitrate removal facilities in the wake of last year's ...

AMES, Iowa – The underground tiles that drain farm fields can release water into remote and shallow waterways. It’s not ...

The tap water of over 60 million Americans has alarming levels of nitrates linked to cancer and other health harms, a new ...

A far south suburban community continues to deal with unhealthy drinking water. The issue in University Park goes back nearly ...

A UK study shows a rise in suicide cases linked to sodium nitrite, mostly affecting young men. Cases have increased each year ...

PETROCHEMICAL PLANT. JESSE MITCHELL, CBS NEWS, NEW YORK. IN OTHER NEWS, THE METRO’S NITRATE REMOVAL FACILITY HAS HAD A BUSY YEAR SO FAR. KCCI INVESTIGATES LEARNED IT RAN MOST OF MARCH. TODAY, READINGS ...