Chemistry

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Nano-architects design materials that can work together at very tiny scales, like these interlocking gears made of carbon tubes and benzene molecules. NASA

Molecular architects: how scientists design new materials

One of the great technological challenges of this century is to design novel items and then make them – and have the results match the intent.
Tomas Lindahl, pictured here in the lab, along with Paul Modrich and Aziz Sancar, received the Nobel Prize for Chemistry. EPA/FACUNDO ARRIZABALAGA

Nobel Prize in Chemistry highlights how our bodies can repair our fragile DNA

The recipients of this year's Nobel Prize for Chemistry showed that DNA is far from static. Rather, it is bombarded by damaging forces, but our bodies know how to repair these precious strands.
A New Delhi laborer’s dirtied hands after work in a shoe factory. Adnan Abidi/Reuters

Safer chemicals would benefit both consumers and workers

Regulations are catching up with toxic chemicals we're exposed to as products' end users. But workers in un- or underregulated places are still at risk, even from chemicals designed to be "green."

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