Science

The number of trains carrying oil along the Columbia River between Oregon and Washington could dramatically increase. There's a plan to ship more oil from the Bakken region of North Dakota to a proposed oil terminal in southwest Washington state. An oil train derailment earlier this year has shown the potential danger faced by the region.

If your papa was actually a rolling stone, your mama could have kept track of him. That's because his travel distance and travel time would be predictable! In fact, you and mama could've used basic math skills to find him. He'd have been thrilled.

So, what does this have to do with evolution? 

As a federal state of emergency ends for Flint, Mich., Mayor Karen Weaver says residents don't trust that government officials have fully addressed the lead contamination of their water.

Federal environmental regulations for lead in drinking water still leave room for concentrations high enough to pose a health hazard, critics say.

The recovery of the bald eagle is bad news for herons, loons and other rare birds. Their numbers are being decimated by eagles who prey upon them.