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Are the Red Dwarfs Ready for SETI?
April 16, 2007
There are oodles of M-type red dwarf stars. Before now, most SETI researchers didn’t pay them much attention, because their habitable zones are narrow. Also, because the habitable zones are closer in, any planets in the lucky radius would most likely be tidally locked to the star, leaving one hemisphere in darkness and the other […]
Cosmology: Crisis or Confidence?
April 13, 2007
What is it with cosmology these days? On the one hand, astronomers seem more confident than ever. They speak of this as the era of “precision cosmology,” when the only task remaining seems to be refining the decimal points; e.g., the first refinements of the cosmic microwave background (CMB) won John Mather and George Smoot […]
Proteins Found Preserved in T. rex Bone
April 12, 2007
Preserved fragments of collagen have been found in a dinosaur bone alleged to be 68 million years old. Read all about it in Science Daily. Analysis of soft tissue found by Mary Schweitzer and team turned up the recognizable protein fragments. Protein was also detected in soft tissue from a mastodon said to be half […]
Co-Evolution Theory Challenged
April 11, 2007
A classic case of co-evolution has been called into question. EurekAlert reported that a “paradigm change” is needed regarding plant-eating beetles and their angiosperm hosts. Dr. Jes�s G�mez-Zurita and collaborators in the Natural History Museum in London have challenged the view that the two groups co-evolved, diversifying rapidly in response to one another. Neither the […]
Dirt for Physical and Mental Health
April 11, 2007
Live Science has an article suggesting that exposure to dirt can improve your mood by boosting the immune system. This is an unexpected twist on the “hygiene hypothesis” that childhood exposure to dirt and animals helps innoculate the body to certain diseases (see 08/02/2006). Certain bacteria might not only boost the immune system, but also […]
Cave Chimps Suggest Cave Men
April 11, 2007
Some chimpanzees have been found in Senegal using caves for shelter from the heat. Jill Pruetz (Iowa State) took note of this and is publishing a paper about it in Primates. National Geographic speculated that this sheds light on human origins: The adaptations of savanna chimpanzees are particularly interesting to researchers because early humans are […]
Lucy the Gorilla?
April 10, 2007
Three scientists from Tel Aviv found a “gorilla-like” jaw structure on a recently discovered specimen of Australopithecus afarensis, of which “Lucy” is the best-known example. This is a problem, because Lucy was supposed to be transitional between chimpanzees and humans, not gorillas. Publishing in PNAS,1 they said, “The presence of the morphology in […]
Mutation Rate Catastrophe: You Cant Even Break Even
April 9, 2007
In a tortoise-and-hare kind of story, a team of geneticists figured out what happens when positive natural selection tries to outrun mutations: “mutation rate catastrophe.” Publishing in PNAS,1 they described how beneficial mutations might become established in a population rapidly (that’s the hare). Eventually (this is the tortoise), harmful mutations accumulate to the tipping point, […]
King Davids Walled City Surfaces
April 7, 2007
A wall 21 feet thick from the First Temple period has been excavated in Jerusalem’s old City of David. The Jerusalem Post reported on Eilat Mazar’s latest discovery: “A wall from the First Temple was recently uncovered in Jerusalem’s City of David, strengthening the claim that it is the site of the palace of King […]
Preprocessed Sound Produces Tone Map in the Brain
April 6, 2007
Most of us know that our ears involve three domains: the outer ear, the middle ear, and the inner ear. We learned in school how the eardrum transmits the sound to tiny bones that transmit it to fluid in the cochlea, which stimulates hair cells that send the impulses down the auditory nerve to the […]
Evolution to the Rescue for Abused Ape
April 5, 2007
The UK Guardian reports that Austrian courts are being asked to grant human status to an ape to allow it to sue a company for importing it into Austria for medical research. In 1999, New Zealand granted “non-human hominid” status to apes to protect them from maltreatment, but this case attempts to give full human […]
Can the Miller Experiment Be Revived?
April 4, 2007
Jeffrey Bada at the Scripps Institute is finding more interesting stuff in Stanley Miller’s spark-discharge tubes – with a little tweaking of ingredients. Scientific American acknowledges that the famous experiment fell into disrepute when scientists used a more realistic atmosphere: “It seemed to refute a long-cherished icon of evolution—and creationists quickly seized on it as […]
Adult Stem Cells Form Heart Valve
April 4, 2007
The BBC News reported that part of a heart valve was grown from stem cells. The article did not state till halfway down the page that the feat was achieved with adult stem cells, not embryonic stem cells. Everybody knows that the big battle over stem cells revolves around the ethics of using human embryos […]
Chinese Claim Early Man Fame
April 3, 2007
The “out of Africa” hypothesis must be wrong, some Chinese anthropologists claim, because they have a modern skeleton 40,000 years old. The story is reported by the BBC News, EurekAlert, National Geographic News and Science Daily. The BBC News report starts, “The find could shed light on how our ancestors colonised the East, […]
Earliest Comb Jelly Fossil Looks Modern
April 3, 2007
One would think that a paper listed in the category “Evolution” would include supporting evidence that evolution had occurred, but a new Evolution paper in PNAS provides more arguments against it than for it.1 An international team studying early Cambrian fossil beds in China found a comb jelly embryo essentially identical to those alive today. […]
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David Coppedge, B.S. Education, B.S. Physics, founded Creation-Evolution Headlines in late 2000 as a way to share science news he was encountering at NASA. It has grown into a highly-trusted source of news and commentary critical of the pro-Darwin consensus, providing analysis of breaking news of interest to creationists and evolutionists, without the Darwin spin. He has authored over 7,000 entries at CEH since its inception.
