Single-molecule Nano-vehicles Synthesized: 'Fantastic Voyage' Not So Far-Fetched

Single-molecule Nano-vehicles Synthesized: 'Fantastic Voyage' Not So Far-Fetched

  12:58:00 AM    Science Lover

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James Tour and coworkers at Rice University synthesized a molecular car with four carbon-based wheels that roll on axles made from linked carbon atoms. The nano-car's molecular wheels are 5,000 times smaller than a human cell. A powerful technique that allows viewing objects...

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The Story Of X: Evolution Of A Sex Chromosome

The Story Of X: Evolution Of A Sex Chromosome

  1:06:00 AM    Science Lover

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Move over, Y chromosome – it's time X got some attention.In the first evolutionary study of the chromosome associated with being female, University of California, Berkeley, biologist Doris Bachtrog and her colleagues show that the history of the X chromosome is every bit...

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Medical Micro-robots Made As Small As Bacteria

Medical Micro-robots Made As Small As Bacteria

  8:57:00 PM    Science Lover

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Artificial bacterial flagella are about half as long as the thickness of a human hair.They can swim at a speed of up to one body length per second.This means that they already resemble their natural role models very closely.(Credit: Institute of Robotics and Intelligent...

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New Nucleotide In DNA Could Revolutionize Epigenetics

New Nucleotide In DNA Could Revolutionize Epigenetics

  8:13:00 PM    Science Lover

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Chemical structure of cytosine, one of the four nucleotide bases that make up DNA.New research shows that two additional nucleotides -- 5-methylcytosine and 5-hydroxymethylcytosine -- can sometimes replace cytosine in the DNAdouble helix to regulate which genes are expressed....

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Sleep: Spring Cleaning For The Brain?

Sleep: Spring Cleaning For The Brain?

  11:06:00 AM    Science Lover

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On the left, the brain of the well-rested blue fly has low levels of a synaptic protein called BRP in this 3D view from a confocal mircoscope. On the right, the brain of the sleep-deprived fly glows orange in areas of BRP concentration. (Bruchpilot or BRP is a protein involved...

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Young Pulsar Shows Its Hand

Young Pulsar Shows Its Hand

  12:31:00 AM    Science Lover

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This graphic demonstrates the difference in physical size between the nebula around the pulsar B1509-58 and its more famous cousin, the Crab Nebula, seen on the left. The Crab was generated when a star collapsed, as seen in 1054 A.D. Since then, the nebula its pulsar created...

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Hydrogen Cars Closer To Reality With New Storage System

Hydrogen Cars Closer To Reality With New Storage System

  1:11:00 AM    Science Lover

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Issam Mudawar, from left, a Purdue professor of mechanical engineering, discusses a hydrogen-storage system for cars with graduate student Milan Visaria and Timothée Pourpoint, an assistant professor of aeronautics and astronautics and manager of the Hydrogen Systems Laboratory....

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I think, therefore I, robot

I think, therefore I, robot

  9:49:00 PM    Science Lover

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Human researchers have developed their mechanical counterparts: ‘robo-scientists’ that can think independently,Two separate teams of researchers, reporting on Thursday in the journal Science, said that they had created machines that could reason, formulate theories and...

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Virus-built Battery Could Power Cars, Electronic Devices

Virus-built Battery Could Power Cars, Electronic Devices

  9:11:00 PM    Science Lover

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Angela Belcher holds a display of the virus-built battery she helped engineer. The battery -- the silver-colored disc -- is being used to power an LED. (Credit: Photo by Donna Coveney)For the first time, MIT researchers have shown they can genetically engineer viruses to...

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