Tag Archives: DNA

Surviving on Volcanic Gas

Discovery News reports that “Wisps of volcanic gas, rather than photosynthesis, may energize rare microbes eking out an existence on the Martian-like flanks of the tallest volcanoes in South America’s Atacama Desert. This newly discovered handful of bacteria, fungi and rudimentary organisms called archaea [roughly 80 micrometers, or 10-5 meters in diameter and 200-600 micrometers, [...]

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Memory Shift

According to Scientific American, “The human brain consists of about one billion neurons [10+09]. Each neuron forms about 1,000 connections [10+03] to other neurons, amounting to more than a trillion connections [10+12].  If each neuron could only help store a single memory, running out of space would be a problem.  You might have only a [...]

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Understanding the Nanoscale

Nobel Laureates Heinrich Rohrer and Gerd Binnig who created the scanning tunneling microscope and won the Nobel Prize in Physics in 1986. Gadolinium on Niobium The upper image is a topograph of three gadolinium atoms on a niobium surface. The lower image is a simultaneously acquired map of the conductance in the sample. Courtesy: IBM [...]

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Nanobes

Some scientists believe that nanobes are the smallest living organisms.  They are 20-150 billionths of a meter (10-12 to 10-13), and smaller than any known bacteria, spore or other single-celled organism. In 2004, a team at the Mayo Clinic in Rochester, Minnestota presented four years of research on nanobes.  They claimed that they may cause [...]

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Finding Powers of 10 in 10 random topics…

Many of us worry about things that we can’t see with the naked eye because they seem so abstract that they are hard to comprehend. Thinking about these 10 random topics at different powers of 10 helps give one a starting point. – cloning using DNA (10-9) of sheep (100), flowers (10-2), or ants (10-3) [...]

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  • Countdown to Powers of Ten Day

    • 10/10/10 1533 days ago