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Rudimentary technology gets an update.

Katharine Gammon, Contributor

New tool may illuminate brain's inner workings.

Peter Gwynne, Contributor

New diagnostic tool could lower number of unnecessary surgeries.

Karin Heineman, ISTV Executive Producer

Geologists use GPS and lasers to assess snowfall amounts.

Inside Science Television

'Virtual biopsy' technique may help assess effectiveness of skin products.

Peter Gwynne, Contributor

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