It's MORNING EDITION from NPR News. I'm Linda Wertheimer.
DAVID GREENE, HOST:
And I'm David Greene. Two large objects showed up satellite images bobbing in a remote part of the Indian Ocean.
WERTHEIMER: Now the search is on to find those objects and see if they are part of the missing Malaysia Airlines plane. Search planes and boats are covering an area about 1,500 miles southwest of Perth, Australia.
GREENE: And NPR's David Schaper joins us on the line now with the latest on the search. David, good morning.
It is Twitter's 8th birthday. To celebrate, the site has put out a tool that lets you see any user's very first tweet. Some were naturals. Warren Buffett's first tweet, Warren is in the house, has been retweeted more than 40,000 times. Others might cringe at their first contribution. Steve Wozniak, co-founder of Apple, tweeted about his dance lessons: No pain, no gain. Awkward but fun this dancing, I still can't do macarena. That's what he wrote.
As science becomes more diverse, scientific collaborators are growing more diverse, too. New research exploring the effect of this change suggests the diversity of the teams that produce scientific research play a big role in how successful the science turns out to be.
Guest host Linda Wertheimer speaks with Washington Post correspondent Will Englund in Moscow about the list of Russians slapped with U.S. sanctions in response to Russia's annexation of Crimea. Englund says the list includes government and business leaders who have been close to Russian President Vladimir Putin.
President Obama goes to The Hague for a nuclear security summit Monday. Although the crisis in Ukraine is overshadowing the event, there is a packed agenda independent of the tensions with Russia. This is the third time world leaders have met to discuss how to keep nuclear materials out of terrorists' hands.
U.N. investigators are gathering the names of people they suspect of war crimes in Syria. In their latest report, they say all sides in the conflict are committing atrocities against civilians. We hear from Karen Abuzayd, who is with the U.N. Commission of Inquiry on Syria.
NPR'S business news begins with German intervention.
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STEVE INSKEEP, BYLINE: The German Chancellor, Angela Merkel, have been pushing for European pension begin to Russian in retaliation for the takeover of Crimea. The German government recently blocked the sale of arms by a local manufacturer to the Russian military.
GREENE: But as Esme Nicholson reports from Berlin, the government is not interfering in the sale of an oil and gas company to Russia.