Reinventing surgery

Robert Udelsman left one of the busiest medical centers on the planet to lead Yale’s Department of Surgery out of its doldrums and into national prominence. He’s a man on a mission.
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Putting evolution to use

From the landscape of an ancient “RNA world” springs an idea that could lead to the creation of ultrasensitive biosenors based on molecular switches. Marc Wortman talks to biology professor Ron Breaker about the potential of so-called RNA switches.
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The toll road

In science, an idea can lie dormant for a century and then enjoy a fantastic rebirth. That’s what happened when Charlie Janeway proposed a theory about human immunity in 1989 that captured the imagination of Ruslan Medzhitov.
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