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Amazing Facts

Crows Use Tools on Tools
August 21, 2007
Crows can use one tool on another to get food.  A report in Science Daily says they appear to use analogical reasoning, not just trial and error, to figure out how to manipulate objects.  They used a short stick to get a longer stick out of a toolbox in order to reach a snack too […]
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Amazing Facts

DNA Repair Is Highly Coordinated
August 14, 2007
The remarkable ability of cells to repair DNA damage has been the subject of several recent articles.  As a long, physical molecule subject to perturbing forces, DNA is subject to breakage on occasion.  If repair mechanisms were not in place, the genetic information would quickly become hopelessly scrambled and life would break down.  Studies are […]
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Amazing Facts

Motorized Ears Give Mammals Acoustic Acuity
July 31, 2007
f=”crev03.htm#amazing11″>03/27/2001), we reported on the discovery of prestin, a motor protein that acts as an amplifier in the inner ear.  One of the fastest-acting molecular motors known (02/21/2002), prestin works by stiffening the rod-shaped cell body with its cilia.  Somehow, the action of this motor protein amplifies hearing in mammalian ears by several orders of […]
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Amazing Facts

Mosquitos Are Water-Walking Champions
July 18, 2007
We hate ’em, but in one sense we should admire them: mosquitos are the water-walking champions of the animal kingdom.  They even beat out water striders, reported Live Science and EurekAlert based on research from Physical Review E.  Science Daily wrote of “miraculous mosquito legs” and had a picture of the intricate fan-shaped superhydrophobic structures […]
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Amazing Facts

Cool Cell Tricks
July 16, 2007
Some cell parts act like acrobats, some like rescue workers, and some like I.T. professionals.  Here are some recent stories about the tricks that living cells perform each day. Precision formation flying:  The Scientist expressed amazement at the precision of key factors in development of the body plan in fruit flies.  The levels of expression […]
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Amazing Facts

Roadrunner and Largest Flying Bird Described from Fossils
July 15, 2007
A bird with a 23-foot wingspan was described in the BBC News.  At an estimated 155 pounds, this bird probably had to jump from a height to get airborne and likely rode on thermals.  The article says the bird rivalled in size some light airplanes.  A diagram shows the Argentinean giant with wings upwardly stretched […]
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Mammals

Elephant Trunk Inspires Robot Arm
July 9, 2007
Scientists are trying to imitate the smooth, supple movements of an elephant's trunk.
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Amazing Facts

Mother-of-Pearl Inspires Materials Science
July 5, 2007
It’s not only beautiful, it’s strong.  EurekAlert described how scientists are intrigued by mother-of-pearl, also called nacre, because of its strength: you can drive a truck over it and it will not break.  It is 3,000 times more resistant to fracture than the aragonite from which the oyster makes it.  95% of it self-assembles in […]
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Amazing Facts

Health News that Brings Hope
July 1, 2007
Why do we never see articles claiming that exercise is bad?  Here are some more reasons to get moving. Work your brain:  Who wouldn’t mind a few more brain cells?  EurekAlert reported research from the Karolinska Institute in Sweden that exercise can stimulate the formation of new brain cells.  They think this helps explain why […]
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Amazing Facts

Our Complex Brains: Lessons from Phrenology
June 25, 2007
This is your brain on science: it is too complex for simplistic diagrams.  Back in the 19th century, the “science” of phrenology was in full swing.  Phrenologists divided the brain into more than two dozen regions of “mental faculties” that controlled such things as instincts for eating and sex, sensation of color, language ability, and […]
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Amazing Facts

Why Your Eyes Jitter
June 18, 2007
The coach’s advice “Keep your eye on the ball” is impossible, because your eyes are constantly in motion with tiny jerks called fixational eye movements or saccades.  Why do the eyes move all the time?  Some scientists at Boston University decided to find out.  Reporting in Nature,1 they found that saccades help you discriminate fine […]
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Amazing Facts

Plants’ International Travel Upsets Evolutionary Idea
June 16, 2007
They may be rooted in soil, but plants really get around.  Some of them make it around the world.  One example has upset a long-believed evolutionary idea.     First of all, plants have a social life.  National Geographic published a story about how plants socialize and communicate.  “Plants have family values, too, it seems, […]
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Amazing Facts

Video Clip:  The Rich Little Bird
June 7, 2007
A popular video clip has been circulating around the internet for over a year.  It shows an Australian lyre bird imitating other birds and man-made sounds.  Click here to watch the 3.5 minute performance.  Narrated by David Attenborough, it was voted the #1 most popular Attenborough moment from the naturalist’s TV shows. Speaks for itself.  […]
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Amazing Facts

Color-Blind Cephalopods Perform Colorful Camouflage Tricks
June 6, 2007
Roger Hanlon has studied octopi, squid and cuttlefish for decades.  He stands in awe of their ability to camouflage themselves.  In a Primer article for Current Biology,1 he detailed some of their sleight-of-skin magic tricks.     His article has frames from a movie clip that show an octopus changing its skin from plain to […]
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Amazing Facts

Molecular Motors Move You
May 30, 2007
The realization that cells are filled with molecules that move like machines fascinates many people.  Students who grew up thinking of chemistry as bouncing molecules that did little more than link up and separate have a whole new paradigm to consider: molecules that walk, fold and unfold, spin and operate like ratchets, robots, wrenches and […]
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