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Amazing Facts

Japanese Man Sets Memory Record
October 4, 2006
Item: a Japanese man, Akira Haraguchi (age 60), quoted pi to 100,000 decimal places, reported Live Science.  It took 16 hours to say the digits from memory.  This broke his personal best of 83,431 set in 1995, and the Guinness record of 42,195, also set in 1995. Incredible feats like this hint at the innate […]
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Mind and Brain

Mars Radiation Would Fry Astronaut Brains
September 23, 2006
Imagine the first Martian astronauts coming home confused, impaired and demented. This is the risk from solar radiation on Mars, say a group of NASA medical researchers (see RxPG News). Among the gravest risks of a manned flight to Mars ranks the possibility that massive amounts of solar and cosmic radiation will decimate the brains […]
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Early Man

Human Heads Are Shrinking
August 5, 2006
There’s no correlation between brain size and intelligence, and if anything, brains today have gotten smaller since the days of our Pleistocene ancestors.  That’s the gist of a report on ABC News Australia based on research at the Queensland Institute of Medical Research: “The genes that are thought to have helped humans evolve big brains […]
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Amazing Facts

Bacteria Rule the World – Benevolently
August 2, 2006
We should love bacteria, not annihilate them.  Bacteria are our friends, according to Dianne K. Newman of Caltech:1 As a microbiologist, I’m appalled when I go to buy soap or dishwashing detergent, because these days it’s hard to find anything that doesn’t say ‘antibacterial’ on it…. It’s a commonly held fallacy that all bacteria are […]
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Amazing Facts

Eye Sends Information at Ethernet Rates
July 27, 2006
Neuroscientists from Pennsylvania and New Jersey calculated the information rate of the eye.  Using guinea pigs (real guinea pigs, not humans as guinea pigs), they came up with a number and interpolated it for humans: In the classic “What the frog’s eye tells the frog’s brain,” Lettvin and colleagues showed that different types of retinal […]
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Amazing Facts

Eye Can See Clearly Now
July 17, 2006
The cornea has no blood vessels.  That’s weird.  But it’s a good thing, or we would be looking through a network of threadlike strands all the time.  According to EurekAlert, scientists at Scheppens Eye Institute decided to find out how the cornea stays clear.  They found that it is heavily stocked with a special protein, […]
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Amazing Facts

Why Your Knuckles Pop
July 10, 2006
Science reporter Corey Binns occasionally decorates LiveScience with articles about the human body that are informational as well as amusing.  His latest is about cracking knuckles and creaking joints.  We have four kinds of joints (pivot, ball-and-socket, sliding and hinge), which he illustrates with diagrams that look like machinery.  The pops and creaking noises, he […]
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Human Body

Evolving Consciousness Without a Soul
July 7, 2006
A paper tackling the theory of consciousness begins, Any scientific study of consciousness is based on the premise that phenomenal experience is entailed by neuronal activity in the brain.  Given this premise, an adequate theory of consciousness must be consistent with physics and with evolutionary principles.  Nonphysical or dualistic forces or processes must be excluded, […]
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Health

Rip Van Winkle Revives
July 3, 2006
A man in a coma 19 years has regained some brain function, surprising scientists.  Terry Wallis is relearning how to count and speak, and thinks Ronald Reagan is still president.  The story of his remarkable recovery has been reported widely in the news (see Fox News) and was featured on both News@Nature and Science Now.  […]
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Amazing Facts

Reach Out and Touch Some Robot
June 13, 2006
The news media were excited to report an advance in materials science last week that could pave the way for touchy-feely robots (see BBC News, News @ Nature, LiveScience and National Geographic News, for instance).  Two scientists produced a thin film with touch resolution comparable to that of a human finger, an order of magnitude […]
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Dumb Ideas

Stupid Evolution Quote of the Week: Handy Dandy Modus Operandi
June 2, 2006
Charles G. Gross and Asif A. Ghazanfar win the prize for this gem in Science1 from a book review of The Sensory Hand by Vernon B. Mountcastle (Harvard, 2006): In one of the first systematic attempts to describe the differences between primates and other mammals, Thomas Huxley argued that the former are distinguished by virtue […]
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Human Body

Comparing Preferences for Pain or Gain
May 3, 2006
A group of researchers published in the Journal of Political Economy introduced the idea economic loss and gain incentives are innate, not learned.  To demonstrate this concept, the researchers presented capuchin monkeys two opportunities leading to two different outcomes for the monkey: pain or gain.  The capuchin monkeys had a tendency to choose the opportunity […]
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Human Body

Can We Not Perform Similar Functions?
May 3, 2006
Researchers from King’s College London claim their data evidences the “Human [thyroid] gland probably evolved from gills.”1  According to speculation, gills were internalized as the thyroid gland when marine life evolved into land animals.  The possibility for this comes from the similar functions of gills and of the gland: both act as calcium level controls.  […]
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Health

No Pain, No Gain Explained: Lactic Acid Supercharges Your Engines
April 21, 2006
The old paradigm: lactic acid buildup during exercise is like poison to your muscles, producing stiffness and agony.  The new paradigm: lactic acid is your friend, a fuel additive that helps keep your mitochondrial motors in top-notch condition.  Read all about it in a press release from UC Berkeley. What are you waiting for?  It’s […]
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Amazing Facts

In Praise of Fat
March 6, 2006
Well, great balls of fat.  Cells have spherical globs of lipid (fat) molecules that never had gotten much attention nor respect.  They have been called lipid droplets, oil bodies, fat globules and other names suggesting they were just the beer bellies of the cell.  Not any more.  Scientists have been taking a closer look at […]
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