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New Chirality Solution Proposed
May 9, 2012
It's long been a mystery why cells use one hand of two-handed molecules, like left-handed amino acids and right-handed sugars. A new proposal solves the mystery, explaining how this phenomenon called homochirality arises naturally. Wait a minute...
Animals Have Biological GPS
April 30, 2012
Global Positioning System (GPS): that's a function. Maintaining a suite of satellites is one method for achieving the function. But there are other ways to figure out where in the world you are, and two very different animals show the way – naturally – using Earth's global magnetic field.
From Wonders of Nature to Wonders of Technology
April 22, 2012
Living things have solved physics problems like design engineers. Inventors are just now catching on to their tricks in ways that could improve our technology, weaning us off our crude, polluting past and ushering in advanced technology that is not only greener but more effective. The latest stars are two insects and a bacterium.
Is This Plant Really 30,000 Years Old?
February 20, 2012
A plant said to be 30,000 years old has been brought to life in Russia. A team resurrected a fruit from a rodent burrow in Siberian permafrost, getting it to grow into a whole plant that produces viable seeds. This is now the oldest age claim, by an order of magnitude, for plant material made to live again. Other scientists are startled that plant material could remain viable for so long, since cells have to repair their DNA continually. Other botany news bring different problems to evolutionary theory.
Small Animals Show Even More Design
February 17, 2012
Your smart phone is a triumph of miniaturization. The first computers were room-filling monstrosities; now, you can hold more computing power than a Univac in the palm of your hand. In the living world, we should't despise small creatures. They can pack a lot of technology into a small space. Here are some record-setting examples of living miniatures reported recently.
OOL for Landlubbers
February 12, 2012
No part of the universal evolutionary scenario gets more overhauls than the origin of life. Some say it began in the sea, some on the land. Some say it began at the bottom of the sea; others say that is the worst place for life to get going. The latest idea favors freshwater hot springs on land.
More Reasons to Doubt Scientific Pronouncements
February 11, 2012
It’s unsettling to hear scientists say that long-held beliefs might be wrong, but that’s the nature of science. Scientific “findings” are tentative, not absolute. Some see this as a strength of science, but unless actual progress is demonstrated, that strength is called into question. Recent news casts doubt on various scientific methods and beliefs that had been trusted for a long time.
Innovation as a Dodge
February 7, 2012
This is not a truck commercial. It’s not about a Dodge as an innovation, but innovation as a dodge. It’s about how a word, innovation, is used as a euphemism in evolution articles. The word seems to mean, “we have no clue how this evolved, but it must have for evolution to be true.” It’s a handy rhetorical trick, because without it, a reader might be tempted to think the evidence supports creation. Some recent articles show how the trick is employed.
February 4, 2012
Parasitism is bad. Parasitism is evil. Parasites wage war against innocent hosts. This is our mindset. What if parasites can do good? This change of heart seems to be happening for one case, the case of transposable genetic elements. If they are only doing harm to the host, why did some biologists find that “positive selection” seems to be maintaining them? That makes it sound like the cells need them.