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Showing posts with label evolution. Show all posts
Showing posts with label evolution. Show all posts

October 22, 2011

Even Kids Can Spot Adult Bull^!#$& ... And Publish It in a Medical Journal!

Though often adults find kids to lack intellectual rigor and devoid of rational thought, sometimes it's the other way around.

Take Emma Rosa, age 9, who debunked the idea of therapeutic touch back in 1998. She watched a TV program about nurses who practise “Therapeutic Touch”, claiming they can detect and manipulate “human energy field” by hovering their hands above a patient. Emma recognized this adult nonsense and conducted a scientific study for a 4th grade science fair to not only prove it, but also publish her results in a peer-reviewed medical journal JAMA. She found that 21 experienced practitioners of therapeutic touch were unable to no more than chance able to detect a human hand under their right or left hand hidden by a screen (so the therapist can't see).

There are other instances where kids have similarly debunked quack medical treatments, though not necessarily published in a scientific journal. Take Rhys Morgan, age 15, who after being diagnosed with Crohn's disease and while internet searching on this topic to educate himself, came across Miracle Mineral Solution (MMS) that claimed to cure not only Crohn's, but also cancer, Aids, malaria, and basically most things short of actual death. Being 15, he was able to do his own research to evaluate this "amazing" treatment through which he discovered that MMS is in essence industrial bleach. Rhys has since campaigned hard to eliminate MMS.

Beyond quackery, I often see it in my ENT clinic where elementary school-aged kids offer utterly profound observations that go way beyond their years.

In a time when potential leaders and politicians are espousing claims in the media that lack rational thought and intellectual rigor (watch the news) and even the educational system is being attacked for teaching scientific principles like evolution in favor of Biblical explanations, I sometimes wonder if we need children like Emma Rosa and Rhys Morgan to come to our rescue even if we are adults who should know better.


Reference:
A Close Look at Therapeutic Touch. JAMA. 1998;279(13):1005-1010. doi: 10.1001/jama.279.13.1005

The man who encourages the sick and dying to drink industrial bleach. Guardian.co.uk Wednesday 15 September 2010 07.30 EDT

August 21, 2011

Shape of Human Nose Influenced by Climate

The basic function of the human nose is to warm and humidify the air before it reaches the lungs. Because of the wide variation of human habitats from the polar cold and dry air to the equatorial hot and humid weather, one would expect the nose to accommodate to these climate extremes accordingly thru evolutionary pressures.

In essence, logically one would expect the nose to change shape to enhance time that air is in contact with the warm and moist nasal interior in cold and dry climates compared to the opposite environmental extreme.

German scientists evaluated this hypothesis thru 3D modeling of 100 skulls to analyze the shape of the bony nasal cavity of 10 modern human groups living in five different climates and found that the bony nasal cavity appears mostly associated with temperature effects and the nasopharynx with humidity.

Humans living in cold, dry climates tended to have nasal cavities relatively high and long with an abrupt narrowing in the upper nasal cavity than those living in hot, humid climates. Such characteristics enhance contact between the air and the nasal mucosal tissue that helps to warm and humidify that air.

What does such a nose look from the outside? A narrow, longer internal nasal cavity is generally linked to a relatively narrower and more projected nose.

Read a magazine article about this research.

Reference:
Climate-related variation of the human nasal cavity. American Journal of Physical Anthropology
Volume 145, Issue 4, pages 599–614, August 2011

June 29, 2011

Miss USA Beauty Pageant's Take on the Theory of Evolution

I was quite disheartened to see only a small minority of contestants fully supportive of evolution. In fact some outright stated evolution is wrong.

The Miss USA pageant was recently held on June 19, 2011.

Hear the answers...


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