WAMU 88.5 : The Kojo Nnamdi Show

Bringing Animals Back From Extinction

It's "Jurassic Park" come true -- sort of. Scientists can't bring back dinosaurs, but they may soon be able to clone DNA from more-recently extinct animals to bring them back to life. Researchers are working now on re-creating a passenger pigeon, a gastric-brooding frog and a mammoth. But the possibility of eventual success has sparked a new debate about the wisdom and the ethics of reversing history.

TED Talk: The Dawn Of De-Extinction. Are You Ready?

Stewart Brand says we have the technology (and the biology) to bring back species that humanity wiped out. So -- should we? Which ones? He asks a big question whose answer is closer than you may think.


ABC Celebrates 50th Anniversary Of 'A Charlie Brown Christmas'

ABC will air "It's Your 50th Christmas Charlie Brown" Monday night. On the classic Christmas cartoon's golden anniversary, NPR explores what makes this ageless special endure.

When Tipping Was Considered Deeply Un-American

Imported from Europe, the custom of leaving gratuities began spreading in the U.S. post-Civil War. It was loathed as a master-serf custom that degraded America's democratic, anti-aristocratic ethic.

Abortion Providers Raise Security Concerns After Planned Parenthood Shooting

NPR's Kelly McEvers talks to Dr. Diane Horvath-Cosper about how performing abortions has made her a target for anti-abortion groups. She is an OB-GYN and family planning fellow in Washington, D.C.

Big Data Predicts Centuries Of Harm If Climate Warming Goes Unchecked

How can climate scientists be so sure about what will happen decades and centuries from now? About 30 teams using supercomputers to churn through mountains of data see patterns aligning.

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