science

For the past three and a half decades, zebra and quagga mussels have fundamentally altered the ecology and hijacked the food web of the Great Lakes. Now scientists are trying new ways to put the mollusks in check, including infecting them with parasites and even crushing them with huge rollers. But will it be enough?

For the past three and a half decades, zebra and quagga mussels have fundamentally altered the ecology and hijacked the food web of the Great Lakes.Now scientists are trying new ways to put the mollusks in check, including infecting them with parasites and even crushing them with huge rollers. But will it be enough?

Didymo, or "rock snot," can carpet the bottoms of rivers and streams, posing a threat to food sources for animal life there. And the public can play a role in preventing its spread.

Lake trout are on life support in Lake Michigan.Every year, the U.S. Fish and Wildlife Service spends tens of millions of dollars raising and stocking them.But what if there was another way? Genetic engineering is advancing fast. Could it be used for conservation?

Lake trout are on life support in Lake Michigan.Every year, the U.S. Fish and Wildlife Service spends tens of millions of dollars raising and stocking them.But what if there was another way? Genetic engineering is advancing fast. Could it be used for conservation?

Coggin explains hoping for a long winter.

What plants are in that cauldron anyway?

How long has there been appreciation of beauty?

What is the Maple Leaf Rag about?