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Study Shows Nanoparticles Contribute to Cell Damage, Aging
Among many possible environmental factors, scientists have long suspected that certain combinations of nanoparticles contribute to cell damage, aging, and eventually death. That hypothesis has been confirmed in a recent study that observed these ultrafine molecules, some of which can penetrate cell membranes and wreak havoc.
In the human body, DNA-damaging factors are counteracted by DNA repair mechanisms, but those mechanisms can be compromised. Read the entire article.
How Did Marine Organisms End Up in Tree Sap?
A team of French experts in paleoenvironments has discovered algae and several bits of marine life that are completely encased in amber, a hard substance thought to originate from hardened tree sap. Amber is renowned for preserving exquisitely detailed fossils, often of insects.
But considering that amber is produced in forests and not oceans, how did marine organisms get in there? Read the entire article.
Genetic Expression: Same Genes Can Produce Different Results
Genes could be thought of as brick molds, used to construct materials for building the physical structures of living organisms. They carry the codes to help make proteins, which then make up different cells that are combined together to form mega-structures called tissues.
New research has shed more light on how genes are used by cells to build the different tissues needed by complex living creatures. Read the entire article.
Atheists' Christmas Campaign: "Yes" to Goodness, "No" to God
Just weeks after the British Humanist Association unveiled plans for "No God" ads on London bendy-buses, the American Humanist Association is starting a similar campaign to run during the holiday season. The ads borrow a line from a popular Christmas jingle and proclaim, "Why believe in a god? Just be good for goodness' sake."
But without an absolute standard for "good," being "good for goodness' sake" is a relative concept. Read the entire article.
Scientists Discover the On/Off Switch of the Cell's Copy Machine
Within our cells are strands of DNA, which are very long molecules containing vital information for cell maintenance and reproduction. The molecular “motor” called RNA polymerase constantly reads and copies shorter segments of the DNA for the cellular "machines" to use.
But what if it never stopped copying? What if it transcribed the wrong genes, or was blocked from transcribing at all? Read the entire article.
Chimps and People Show “Architectural” Genetic Design
An international team of geneticists recently set out to explore in more detail the evolutionary relationship between humans and chimpanzees. Despite their assumption that man and chimp share a common ancestor, their findings are actually more consistent with the creation model.
Their techniques targeted special DNA sequences that show "architectural" chromosomal arrangement. Read the entire article.
MythBuster Mistakes Evolution for Science
The popular show MythBusters not only entertains, it also promotes critical thinking through hands-on experience. But host Adam Savage recently commented that "the newspapers talking about evolution versus creationism is very much an attack on science as a type of religion—believing that the scientific method is some type of religious belief. And it's not!"
Indeed, the scientific method is not "religious belief." But are evolution and "science" the same thing? Read the entire article.
The Gamburtsev Mountains: Where Did the Ice Come From?
Research is currently underway to scan the Gamburtsev mountain range, which is around the size of the Alps and stands in the middle of Antarctica. It is also covered by about 2,000 feet of ice, and thus was originally detectable only by the seismic equipment used by its Russian discoverers in 1957.
How did so much ice get there? Read the entire article.
The Gamburtsev Mountains: An Antarctic Mystery
Antarctica has for years puzzled researchers who submit to long-age theories, especially after the Gamburtsev mountains were discovered in 1957—in the interior of the continent. A standard model for mountain formation holds that continental plate margins slowly buckle upward when they collide.
But the Gamburtsev range isn't near any known active tectonism. How did it get in the middle of Antarctica? Read the entire article.
Myco-diesels and the Age of the Earth
A newly-discovered Patagonian fungus can produce various alcohols and hydrocarbons, including octane. It has specialized cellular machinery that enables it to digest sugars and convert some of it into what are being called "myco-diesels."
This offers an intriguing possibility as a method to produce fuel, but it presents even more profound implications regarding the formation of crude oil in earth's past. Read the entire article.
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