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LEADING EDGE
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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 AGAIN Ìý30 min |
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"If what interests you are new and exciting ideas, it's science you should be turning to. And whether it's the Human Genome Project or the origins of the Universe, Leading Edge is the place to hear about them."
Geoff Watts |
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| A new examination of the diversity of human DNA offers some insight into the evolution of modern human populations. |
DNA diversity
We now have more information about our DNA than ever before to assist in reconstructing our genetic history.
Richard Myers of Stanford University has used the tiny variations in our DNA make-up to produce the most detailed study yet of our origins and subsequent migration around the globe.
To what extent does it support the Out of Africa theory?
AAAS
Geoff Watts also reports from the 2008 meeting in Boston of the American Association of the Advancement of Science which includes:
Earth-like planets
Michael Meyer has been tracing the evolution of rocky planets around other stars in our galaxy.
New evidence suggests that rocky planets like Earth may be far more common that has been thought up to now.
Tracking baseball players
Statistician Shane Jensen has devised an ingenious way of quantifying the fielding performance of baseball players.
It’s harder than the more familiar analysis of pitchers or hitters. Could this be a valuable tool for cricket managers?
Sharks in Antarctica
As southern ocean waters warm, Richard Aronson of the Dauphin Island Sea Lab in Alaska predicts shell crushing crabs and sharks will return to the region.
What effect will this have on the delicate and unique biodiversity?
Memory and predicting the future
Dan Schacter of Harvard University discusses newly discovered links between memory and imagination.
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RELATED LINKS
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