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Evolution of Language Debated

The Feb. 27 issue of Science features the topic of the evolution of language.1  The thousands of words in 10 articles might be summarized by the title of a book review by Andrew Carstairs-McCarthy: “Many Perspectives, No Consensus.”2 Since there are many perspectives and no consensus, language evolution is one of the subjects Darwinists love.  […]

Seniors, Pay Attention: Stay Active

Cardiovascular activity is good for everyone.  Seniors can benefit from taking walks, too.  A new study shows it can help the elderly keep their attentiveness and improve mental performance.  Science News1 reporter Bruce Bower writes: Seniors interested in pumping up their brains and maintaining an attentive edge might consider taking this inexpensive prescription: Go for […]

Why Darwin Is Like Yoda, and Darwinism Like Marxism

Homage for the master is palpable in John Vandermeer’s review (Science, Jan. 23)1 of a thick new book entitled Niche Construction: The Neglected Process in Evolution by Odling-Smee, Laland and Feldman (Princeton, 2004).  Vandermeer seems almost worshipful in his opening lines: The nascent germ of many novel ideas in biology can be traced directly or […]

Sex and Gender Cannot Be Separated

A study of male children born with a rare birth defect called cloacal exstrophy demonstrates that sexual identity is biologically determined, not a result of upbringing.  The report in Science Now shows that most of the boys identified themselves as male early on, even though unaware of their condition and “raised as girls” under doctor’s […]

Why You Need Sleep

A study in the Jan. 22 issue of Nature1 claims that sleep gives you inspiration.  Sleep is not just a waste of a third of your day; it helps consolidate memories, and provides pivotal insights.  “Insight denotes a mental restructuring that leads to a sudden gain of explicit knowledge allowing qualitatively changed behaviour,” the five […]

Your Accelerated Eyes

When a beam of light hits your eye, a chain of events is set off that is really quite amazing.  Kendall J. Blumer (Washington University School of Medicine) describes a little of it in the Jan. 1 issue of Nature.1  You don’t have to understand the following description; just be glad you don’t have to […]

Why You Need Heavenly Sunshine for Vitamin D

Rickets is on the rise again, along with other diseases caused by vitamin D deficiency, reports Erik Stokstad in the Dec. 12 issue of Science1.  Most vitamins we take in the mouth.  Why do we need to stand outside for this one?  He explains: Vitamin D is a steroid hormone that helps regulate calcium, an […]

Why Workouts Work for Humans, Not Pickups

Space Daily began an article on space medicine with a thought-provoking comparison: Most machines don’t improve with use.  Old pickup trucks don’t gradually become Ferraris just by driving them fast, and a pocket calculator won’t change into a supercomputer by crunching lots of numbers.  The human body is different.  As weightlifters know, the more that […]

Human Genome Project: A “Worthwhile Failure”

The Human Genome Project (HGP) was filled with promise.  Walter Gilbert claimed in 1992 that it would bring about “a change in our philosophical understanding of ourselves… one will be able to pull a CD out of one’s pocket and say, ‘Here’s a human being; it’s me!’”  Why does philosopher-biologist Sahotra Sarkar consider that prospect […]

Stem Cell Breakthrough

Stem cells from skin cells: it’s all over the news – see EurekAlert 1, EurekAlert 2, EurekAlert 3, EurekAlert 4, National Geographic News, BreitBart.com, BBC News 1, BBC News 2, MSNBC and and PhysOrg for sample reports.  Two teams working independently, one in Japan and one in America, were able to tinker with just four […]

Genes Are Not Telling the Whole Story

A growing realization is dawning on geneticists: there is more going on in DNA than previously imagined.  Now that whole genomes are becoming available, scientists are eagerly trying to understand how the genetic code (genotype) produces a full-grown organism (phenotype), like a fruit fly or human.  The interesting stuff in DNA used to be the […]

No More Excuses: You Have Time to Work Out

If you use the excuse that you don’t have the time to exercise, consider a study from McMaster University in Canada that found a short, 20-minute intense workout can be just as effective as two hours of moderate exercise.  You can manage 20 minutes, can’t you?  Another Canadian study mentioned on EurekAlert claims that walking, […]

Dmanisi Homo erectus Fossil Count Grows

More bones matching the skulls from the purported Eurasian Homo erectus skulls in Dmanisi, Republic of Georgia have been found (for background, see 08/31/2005 bullet 5, 03/20/2005, 08/01/2002, 11/29/2002).  The find was reported in Nature1 with commentary by Daniel Lieberman in the same issue.2     The bones, including ribs, leg bones and arm bones, […]

Subway System Found in Immune Cells

The announcement of a “third form of intercellular communication” hit scientists like TNT: tunneling nanotubules, that is.  Science Now reported that “Scientists have found what appears to be a whole new way for immune cells to communicate with one another: long, narrow tubes that enable them to connect and exchange molecules.”  These subway tunnels between […]

Adult Stem Cells Lead Health Progress

51; Adult stem cells (AS) and induced pluripotent stem cells from adult tissues (iPS) continue to rack up tallies over embryonic stem cells (ESA).  Do we really need the embryonic variety?  Some continue to say yes, even though the practice of harvesting human embryos creates serious ethical questions for many. Controlling fate:  If you’d rather […]
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