The rotor is made of two turns of DNA

A group of Japanese scientists has designed nanomotors working by changing the conformation of the DNA molecule - the transition from the double helix pravozakruchennoy (B-form) in the left-twisted (Z-form). "Run" is the motor by changing the concentration of ions in solution. Securing the motor in a rigid frame that fixes it to the substrate, not interfering with the rotation of the rotor, the scientists managed by atomic force microscopy to monitor the operation of the engine in real time. They fixed two turns of the rotor, which is one BZ-transition.Fig. 1. Top: scheme of rotation Read more [...]
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Life — How Did It

The transformation of inanimate matter into living - not hopeless delusion medieval alchemists. Man came not from an animal. Homo Sapiens is not the crown of nature, as we used to think, but it is the same principle, as unicellular. Our planet since ancient times has been a kind of Noah's Ark, which is home to the "prototype" of all living things - "every creature." A flu can infect us space. And human civilization is able to colonize planets of distant stellar worlds in much the same as it once out of the universe was brought to Earth life. More? Please. Homunculus Read more [...]
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