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September 20, 2004
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play video  Smallest Robot07.15.04
A nanotechnologist has built an incredibly tiny walking robot out of living material, DNA. This minute robot eventually could help design drugs, molecule by molecule, to fight specific diseases in individual patients.

play video  Safer Fetal Test07.06.04

They can send a man to the moon—so why can’t they come up with prenatal tests that don’t risk harming babies? In fact, a new technology being developed to help astronauts get to Mars may launch safer tests for expectant mothers.

play video  Build a Liver06.24.04
People with liver disease often have to wait years for a transplant. While they wait, five of them die of liver failure every day. But now, one nanotechnologist has built a liver on a chip.

play video  New Nerve Cells06.10.04
Every year, thousands of people end up paralyzed when their spinal cords are injured. Right now, these patients almost never fully recover. But one nanotechnologist says there may be a way to grow back injured nerve cells.

play video  Barnacle Free Boats06.03.04
Boat paint that keeps barnacles off also leaches poison into the seas and onto your favorite beach. One nanotechnologist is working on better ways to repel unwanted marine hitchhikers.

play video  Hydrogen Cars05.13.04
Cars that run on hydrogen would solve our dependence on imported oil. And one engineer says nanotechnology could help make them affordable.

play video  Skin Science05.06.04
Cosmetics companies are always launching new products, but how many of them can
really get deep down to fix your problems? One nanotechnologist says he has come up with a way to do just that.

play video  Bug Buster04.22.04
Getting caught in April showers could mean you come down with some bug afterwards. But scientists are working on a way to find out what you’ve got—even before you feel sick.

play video  Cancer Detectors03.25.04
Looking for sites where cancer might have spread is hard to do, and can be tough on the patient, but there may be a way to light up those sites—a big help to both surgeon and patient.

play video  Small World03.04.04
One nanotechnologist has come up with a way you can see and hear things at an atomic level.

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