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12:01
For Babies, It’s Better to Like What I Like
How green beans, graham crackers, and puppets can give insight into the development of moral behavior.
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17:25
Grand Central: An Engine of Scientific Innovation
Standard time zones and electric trains were both pioneered at New York’s Grand Central Terminal.
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16:37
Birds Evolve Shorter Wings to Escape Traffic Crush
Cliff swallows with shorter wings appear better suited to avoid becoming roadkill.
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29:13
Scientists Search for Gulf War Illness Answers
More than 20 years later, many Gulf War veterans still suffer from an array of unexplained ailments.
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16:24
Project Seeks to Bring Extinct Species Back to Life
Michael Archer, leader of the “Lazarus Project,” describes early efforts to bring a frog species back from extinction.