Honey bees pollinate about a third of the crops in the U.S—that's about $15 billion of the agricultural economy. But honeybees have had a tough time lately: a combination of diseases, stress, parasites and pesticides have all hurt the honey bee population. Scientists are starting to look at how other species of bees could help pick up the slack.
What European Demand for Caviar Means for a Great Lakes Fish
Lake Superior is the largest freshwater lake in the world by surface area, and it has something the other Great Lakes don't — stable populations of mostly native fish species. But scientists say a key fish in Superior's food web is now in trouble because of mild winters and an appetite for caviar in Europe.
Five years ago, an Enbridge Energy pipeline burst, causing the biggest inland oil spill in U.S history. One of the rumors you can still hear about the incident is that the company must have dumped a surfactant into the Kalamazoo River to help break up the oil.The chemical is called corexit. And it can be harmful to humans. Regulators – and Enbridge - all deny corexit was ever used for the Kalamazo spill. But that hasn't put the rumor to rest. Lindsey Smith has been working to sort fact from fiction.