Of 2,000 retractions of published scientific papers since 1977, 866 were because of fraud, a new study finds. Another 201 were plagiarized. But it's hard to know if more scientists are cheating, or if detection is simply better.
As a pro baseball player in the Dominican Republic Dave Valle saw poverty up close. Now his microloans are helping to end it.
Doing Good
What happens when ordinary people decide to pay it forward? Extraordinary change...
Dave Valle started Esperanza International in 1995. Since then, Esperanza has given $38 million in microloans to support small businesses.
Dave Valle plays on a new field: microloans that help to end poverty
As a pro baseball player in the Dominican Republic Dave Valle saw poverty up close. Now his microloans are helping to end it.
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