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Science
LEADING EDGE
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Thursday 21:00-21:30
Leading Edge brings you the latest news from the world of science. Geoff Watts celebrates discoveries as soon as they're being talked about - on the internet, in coffee rooms and bars; often before they're published in journals. And he gets to grips with not just the science, but with the controversies and conversation that surround it.
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LISTEN AGAINListenÌý30 min
Listen toÌý22 March
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GEOFF WATTS
Geoff Watts
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ThursdayÌý22 MarchÌý2007
The Laguna Intermedia spring, Great Chihuaha Desert, Mexico.
Laguna Intermedia, in the Churince system of springs near Cuatro Ciénegas,ÌýGreat Chihuahuan Desert inÌýMexico. This spring has extensive microbial mats along the shoreline.

The philosophy of morals

Do we make moral judgements based on societal rules or based on our emotions?

Geoff finds out from Marc Hauser, Professor of Psychology at Harvard University.

Docile dinosaurs

A new 95 million-year-old dinosaur species discovery was reported this week.

Professor David Varricchio explains how the find puts paid to some stereotypes.

Classroom cacophony

Acoustic engineer Trevor Cox of Salford University wants a rethink of classroom soundscapes.

Desert pools

The diverse array of microbes in Mexican desert pools may help biologists to find out how life on early Earth got started.

Molly Bentley reports from the Great Chihuahuan Desert.

Mechanochemistry

Geoff talks to Professor Jeffrey Moore from the University of Illinois about a novel branch of chemistry which uses mechanical force to change the properties of a substance.
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