Study: Wastewater recycling produces extra greenhouse gas
August 29, 2011, 2:29 p.m. by Noel Kirkpatrick
Researchers found plants emit three times as much nitrous oxide, largely due to the density of nitrifying and denitrifying bacteria in the water.
Global warming could drive native fish from Wisconsin lakes
August 16, 2011, 12:35 p.m. by Noel Kirkpatrick
Scientists say rise in lake temperatures and population of invasive aquatic species could devastate cisco populations by the year 2100.
A fire chief comforts a dog who refuses to leave his trapped owner's side
Something very big and very dark punched a hole in our galaxy
'Super mom' spotted on a Minnesota lake — with 56 ducklings in tow
Millions of people inhabit this 'hidden continent' that's 94% underwater
How to identify different types of bees
9 of the world's largest dog breeds