While the U.S.-African Leaders Summit has aimed to facilitate meetings between American companies and African leaders, it's also provided an opportunity for smaller investors to make contacts and for human rights workers to try to get their voices heard.
NATO estimates that some 20,000 Russian troops have massed along the border with Ukraine, just days after the U.S. and EU ratcheted up sanctions on Russia. Melissa Block asks David Remnick, editor of the New Yorker, about the possibility that Russia will invade Ukraine.
Audie Cornish talks to Robert Turner, director of operations for the United Nations Relief and Works Agency, about what the organization is calling a "health and humanitarian disaster" in Gaza.
The European Rosetta mission arrives at its target comet Wednesday morning. In the coming months, its lander unit will harpoon the space rock.
Government troops and separatists have been fighting for months for control of eastern Ukraine. Ukrainian leaders say Russia has been supplying the separatists — a charge Moscow denies.
As early as 2015, firms with more than 200 employees may have to automatically enroll their workers in a company health plan. Though workers can opt out, some still find the provision patronizing.
There was a point not all that long ago when schools taught the metric system because it was "just a matter of time" until the United States ditched pounds, miles and inches.
Well, this adaptation has yet to happen, and who knows if it ever will?
"One thing that shocked me was that the first measure that was completely decimalized was the U.S dollar," says John Bemelmans Marciano, author of "Whatever Happened to the Metric System?". "And we largely have Thomas Jefferson to thank for that."
President Jefferson suggested the use of a decimal currency in 1782.
"It took about 100 years for decimals to catch on for everyday transactions," says Bemelmans Marciano.
Hear the full conversation in the audio player above.