Though Zika was discovered in 1947, few scientists since had studied the virus. Now, while some check its genes, others turn to placental cells for clues to any link between Zika and birth defects.
The nets that ensnare the giant totoaba fish also trap and kill the world's smallest and rarest mammal: a porpoise called the vaquita.
The federal health law is putting farmers in a tough spot. Many contractors supplying workers have to offer health coverage. Insurance is costly, and contractors worry about immigration fallout.
For the first time, companies can apply to set up fish farms in U.S. federal waters. The government says the move will help reduce American dependence on foreign seafood and improve security.
For the first time, CBS put the full Super Bowl, with ads, online and claimed record viewership. But StreamingMedia.com's Dan Rayburn says the decision to stream is getting too much hype.
For Flint resident Jeneyah McDonald, using bottled water for everything has become an onerous but necessary routine. Still, she worries about the effects that toxic tap water will have on her sons.
Most people think of New Orleans on Mardi Gras. But the pre-Lenten celebration has roots in another Gulf Coast city. Mobile, Ala., proudly bills itself as the "mother of mystics."
Social scientists see long-term benefits to new dads spending a few months caring for a baby. But these studies won't nudge fathers to take leave if they still see a work culture that frowns on it.
Most breast cancer cases are in women, so treatment and support are geared toward them. Men with breast cancer can feel isolated. One man was given a pink ice pack and told to put it in his bra.
There was little excitement in this year's crop of Super Bowl ads. Many of the best had already been seen on social media; the others were underwhelming.