
How to Build Nanotech Motors
Catalytic engines enable tiny swimmers to harness fuel from their environment and overcome the weird physics of the microscopic world

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How to Build Nanotech Motors
Catalytic engines enable tiny swimmers to harness fuel from their environment and overcome the weird physics of the microscopic world

How Hackers Can Steal Secrets from Reflections
Information thieves can now go around encryption, networks and the operating system

Our Planet's Leaky Atmosphere
As Earth's air slowly trickles away into space, will our planet come to look like Venus?

What Makes Us Human?
Comparisons of the genomes of humans and chimpanzees are revealing those rare stretches of DNA that are ours alone

Could Food Shortages Bring Down Civilization?
The biggest threat to global stability is the potential for food crises in poor countries to cause government collapse

How to Grow New Organs
Pioneers in building living tissue report important advances over the past decade