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Whiskers Inspire Technology

The latest gadget on robots or Mars rovers could be whiskers.  These tactile sensors provide ways to see in 3D, says a report on National Geographic News.  Information about latitude, longitude and elevation can be gleaned from whiskers.  Rodents continually rotate their whiskers to gather information, but seals and sea lions let the ocean currents […]

Why Are Kids Hyper?  Blame Evolution

Jon Hamilton on National Public Radio was curious why his 7-year-old kid always had more energy than he did and didn’t need coffee to get him going.  So he asked an evolutionary biologist at UC Irvine and got the following explanation: “It’s fairly clear that human evolution has been strongly shaped by very powerful selection […]

Tarantula Spins Silk from Feet

Surprise: a Costa Rican tarantula can spin silk from the tips of its feet.  A team of German and American scientists writing in Nature1 coaxed one of these heavy, hairy spiders to walk vertically up glass, and was astonished to find it ejecting silky threads that arrested its slipping and enabled it to cling.  They […]

Atheist Dilemma: Fight or Smooth-Talk Religion?

The unpopularity of evolutionism and the persistence of religious faith has scientific materialists confounded and dumbfounded over how to respond.  Some want to fight, some want to shrug it off, and some want to dialog with religious believers, in hopes of convincing some of them that evolution is not the bogeyman they think.  Richard Dawkins […]

Genetic Toolkit Manages Dangerous Tools with Safety Switch and Lockbox

Laymen appreciate scientists who can express complex concepts in everyday terms.  Here’s a good example from the Wistar Institute: Around the home, regularly used tools are generally kept close at hand: a can opener in a kitchen drawer, a broom in the hall closet.  Less frequently used tools are more likely to be stored in […]

What’s Inside a Spore?  Nanotechnology

The spores that are emitted from fungi and ferns are so tiny, the appear like dust in the wind.  Who would have ever thought such specks could exhibit nano-technological wonders like scientists have found recently: Evapo-Motors:  Scientists at U of Michigan were intrigued by how ferns turn the power of evaporation into launching pads.  The […]

Another Rotary Machine Found in Bacteria

A molecular “garbage disposer” in the cell membrane bearing some resemblance to the rotating motor ATP synthase has been described in Nature.1  This machine, called AcrB, expels toxins from the cytoplasm through the cell membrane to the outside.  Like ATP synthase, it has three active sites at one end where the binding occurs, and it […]

Plant Protection: A Modern Medieval Castle Story

Vigilant guards stand at the gates.  In times of peace, they let down the drawbridge, and the townspeople carry on their trade.  Farmers bring in their crops for the marketplace, and local craftsmen and pedlars keep the local economy bustling.  Yet the sentries maintain a watchful eye, aware that numerous interlopers are about.  Aliens constantly […]

Quote

The authors of the paper in the previous entry (09/06/2006) found that bacteria swim with near perfect propulsive efficiency.  They only mentioned evolution one time, but it’s short and to the pointless.  It wins Stupid Evolution Quote of the Week: “Such measurements can shed light on how this remarkable ability to swim evolves among different […]

Flagellar Swimmers Attain Mechanical Nirvana

Those little germs that scientists love, E. coli – you know, the ones with the flagella that intelligent-design folk get all excited about – well, they move through the water pretty efficiently with those high-tech outboard motors of theirs.  Some Pennsylvania physicists reporting in PNAS1 measured the “swimming efficiency of bacterium Escherichia coli” and concluded, […]

Express Your Inner Alley Oop

There’s a little Neanderthal in a lot of us, claims The Telegraph.  This is bad news and good news: People who have large noses, a stocky build and a beetle brow may indeed be a little Neanderthal, according to a genetic study.  But the good news is that other research concludes that Neanderthals were much […]

Another Flagellum Excites Scientists

“The bacterial flagellar motor excites considerable interest because of the ordered expression of its genes, its regulated self-assembly, the complex interactions of its many proteins, and its startling mechanical abilities,” begins a paper in Nature by three Caltech scientists.1  They performed electron cryotomography imaging on the flagella of Triponema primita, a different critter with a […]

Birds Excel in Distance, Harmony

Bird feats are outstanding.  Two notable cases were announced this week: Air Marathon:  The longest animal migration in the animal kingdom is performed by the sooty shearwater, reported National Geographic News.  They migrate 40,000 miles a year from New Zealand to the North Pacific, in complex figure-eight patterns that touch the coasts of South America, […]

Can Evolution Run in Reverse?

Evolutionists in Utah are claiming to have run the evolutionary tape in reverse, says the BBC News: “US researchers have taken a mouse back in time some 500 million years by reversing the process of evolution.”  How can this be?  By engineering its genetic blueprint, they have rebuilt a gene that was present in primitive […]

Bacteria Rule the World – Benevolently

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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