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The ebb and flow of estrogen levels in a women's monthly cycle may have a protective effect on the eye's retina, ophthalmologists say. And that fluctuation could explain a possible connection between birth control pills and glaucoma. Women who have taken the pill a long time may want to consider glaucoma screening.

New basketball video games are touting their high-tech graphics, but the realistic play experience extends to the ear as well. The games feature action-packed commentary from famous TV announcers with dialogue for every situation. The more spontaneous it sounds, the better.

The vaccine has not been approved in the U.S. but an outbreak at the university prompted the Centers for Disease Control and Prevention to recommend importing the vaccine.

Egypt's post-revolution transition has been tumultuous. Now, many Egyptians are ready to settle for a return to the pre-revolution status quo: a strong, military man who can guide Egypt back to stability. Their hopes are pinned on Gen. Abdel-Fattah el-Sissi, who led the ouster of Mohammed Morsi.

Lewis Henry Bailey was freed from slavery in Texas and began his journey back to Virginia by foot 150 years ago. The jail where he was sold to slave dealers as a child is now a museum and the offices of a local Urban League chapter just outside of the nation's capital.

About 10 percent of working Americans carpool to work. For two years, Neville Amaria was one of them. He spent two to three hours a day in the car with as many as four co-workers squeezed in alongside him. Now his office has moved closer to home. Here's an audio diary from the last morning of his carpool.

The historic Colorado floods actually changed the course of some rivers and creeks. That has left many agricultural irrigation ditches and diversion dams useless. Farmers and irrigation companies now find themselves footing the bill to reroute these waterways before spring planting season.

Researchers think an increase in commuting may be partly to blame for widespread political disengagement among many Americans. As stressed-out commuters disengage, they leave the political arena to the most partisan voters.

Though President Lincoln said "the world will little note nor long remember what we say here," his words have lived on. Read them again and listen to historian Eric Foner and NPR staff deliver one of the nation's greatest speeches.

Brooklyn writer Kyle Ayers says he was on his apartment rooftop when he witnessed a breakup. So he decided to tweet what the man and woman were saying.