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Stephen Juan

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What is selective mutism and is it for real?

Also in this week's column: How the 'true blue' political maverick gave the senate to the donkeys Can blind people see in their dreams? What is selective mutism and is it for real? Asked by Vikki de Melendez of Clifton Park, New York Selective mutism (SM) is a well-established psychological disorder. It is a social anxiety …
Stephen Juan, 09 Dec 2006
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Can blind people see in their dreams?

Also in this week's column: How the 'true blue' political maverick gave the senate to the donkeys What is selective mutism and is it for real? Can blind people see in their dreams? Asked by Cindy Webster of Palmerston North, New Zealand Most researchers believe that people who are blind from birth or who become blind in …
Stephen Juan, 09 Dec 2006
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How the 'true blue' political maverick gave the senate to the donkeys

Also in this week's column: Can blind people see in their dreams? What is selective mutism and is it for real? How the 'true blue' political maverick gave the senate to the donkeys The 2006 US Congressional elections saw a change in the political balance in Washington that promises to shape history. The House of …
Stephen Juan, 09 Dec 2006
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What is Alice in Wonderland syndrome?

Also in this week's column: Can you really see the Great Wall of China from the Moon? Are secretive people more or less healthy? How far can the naked eye see? What is Alice in Wonderland syndrome? Asked by Sheena Roberts of Dublin, Ireland Alice in Wonderland syndrome (AWS) is a neurological condition where a person …
Stephen Juan, 01 Dec 2006
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Are secretive people more or less healthy?

Also in this week's column: What is Alice in Wonderland syndrome? Can you really see the Great Wall of China from the Moon? How far can the naked eye see? Are secretive people more or less healthy? Psychological research shows that keeping secrets, especially distressing ones, can make the secret keeper sick. But we do not …
Stephen Juan, 01 Dec 2006
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How far can the naked eye see?

Also in this week's column: What is Alice in Wonderland syndrome? Can you really see the Great Wall of China from the Moon? Are secretive people more or less healthy? How far can the naked eye see? The human eye can see an almost unlimited distance. Looking up into the sky on a very clear night, the Triangulum Galaxy can …
Stephen Juan, 01 Dec 2006
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Can you really see the Great Wall of China from the Moon?

Also in this week's column: What is Alice in Wonderland syndrome? Are secretive people more of less healthy? How far can the naked eye see? Can you really see the Great Wall of China from the Moon? It is one of the greatest urban myths that astronauts can see the Great Wall of China from the surface of the Moon. They cannot …
Stephen Juan, 01 Dec 2006
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Is an artificial eye close to reality?

Also in this week's column: Does garlic ward off the common cold? Will sweets really rot your teeth? Is an artificial eye close to reality? Asked by Leo Sanualio of Green Acre, New South Wales, Australia A California researcher predicts that an artificial eye is "in sight" in the near future. Dr Armand Tanguay Jr, professor …
Stephen Juan, 24 Nov 2006
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Will sweets really rot your teeth?

Also in this week's column: Does garlic ward off the common cold? Is an artificial eye close to reality? Will sweets really rot your teeth? Asked by Katy O’Brien, age 11, of San Mateo, California Sugar and sweets can be eaten without inviting tooth decay if the sugar is removed from tooth surface promptly by brushing. This …
Stephen Juan, 24 Nov 2006
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Does garlic ward off the common cold?

Also in this week's column: Is an artificial eye close to reality? Will sweets really rot your teeth? Does garlic ward off the common cold? Asked by Charli Tricase of Amherst, Massachusetts, USA Historically, garlic (Allium sativum) has been used as a folk medicine for at least 4,000 years. Cloves of garlic were found by …
Stephen Juan, 24 Nov 2006
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Do humans have a compass in their nose?

Also in this week's column: Who knows what there is to know about the nose? Do humans have a compass in their nose? Asked by Lee Staniforth of Manchester, UK Some years ago scientists at CALTECH (California Institute of Technology in Pasadena) discovered that humans possess a tiny, shiny crystal of magnetite in the ethmoid …
Stephen Juan, 17 Nov 2006
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Who knows what there is to know about the nose?

Also in this week's column: Do humans have a compass in their nose? Who knows what there is to know about the nose? Asked by Charli Tricase of Amherst, Massachusetts, USA Does your nose smell what your eyes see? Research suggests that the nose does indeed smell what the eyes see. The human sense of smell is unreliable acting …
Stephen Juan, 17 Nov 2006
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Why are some people more attractive to mosquitos?

Also in this week's column: Does eating fish improve brain function? What is a Cro-Magnon man? How can objects in the same room be different temperatures? Why are some people more attractive to mosquitos? Asked by Sarah Charles of Salisbury, Wiltshire, UK Science is still working on the definitive answer to this Odd Body …
Stephen Juan, 10 Nov 2006
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What is a Cro-Magnon man?

Also in this week's column: Why are some people more attractive to mosquitos? Does eating fish improve brain function? How can objects in the same room be different temperatures? What is a Cro-Magnon man? Asked by Nikki Jackson of Mosman, NSW, Australia Cro-Magnon humans are regarded as the earliest form of modern humans. …
Stephen Juan, 10 Nov 2006
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Does eating fish improve brain function?

Also in this week's column: Why are some people more attractive to mosquitos? What is a Cro-Magnon man? How can objects in the same room be different temperatures? Does eating fish improve brain function? Asked by Tammy Courtland of Boston, Massachusetts It is no wonder that health authorities usually recommend the eating …
Stephen Juan, 10 Nov 2006
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How can objects in the same room be different temperatures?

Also in this week's column: Why are some people more attractive to mosquitos? Does eating fish improve brain function? What is a Cro-Magnon man? How can objects in the same room be different temperatures? Asked by David Webb of Hayle, Cornwall, UK The sense of touch allows us to recognise temperature differences of objects …
Stephen Juan, 10 Nov 2006
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Why do I have an extreme fear of needles?

Also in this week's column: Does TV watching in childhood trigger autism? Is it true that fewer boy babies are born in hard times? Why do I have an extreme fear of needles? Asked by Nicole Rothman of Vancouver, British Columbia, Canada Belonephobia is the extreme fear of needles. If you have this, you fear getting …
Stephen Juan, 03 Nov 2006
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Does TV watching in childhood trigger autism?

Also in this week's column: Why do I have an extreme fear of needles? Is it true that fewer boy babies are born in hard times? Does TV watching in childhood trigger autism? Autism is at epidemic levels. Authorities point out that 30 years ago estimates were that one in 2,500 children suffered from autism. Now the figure is …
Stephen Juan, 03 Nov 2006
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Is it true that fewer boy babies are born in hard times?

Also in this week's column: Why do I have an extreme fear of needles? Does TV watching in childhood trigger autism? Is it true that fewer boy babies are born in hard times? Asked by Jack O'Connor of Dublin, Ireland The sex ratio of boy and girl births is affected by severe stressors such as earthquakes, tsunamis, …
Stephen Juan, 03 Nov 2006
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Does drinking alcohol really keep you warm?

Also in this week's column: Can you judge someone's personality by the shape of their ears? What is a post-lumbar puncture headache? What is a fistula? Does drinking alcohol really keep you warm? No! So says the Swiss Institute for the Prevention of Alcohol and Drug Problems. If the legendary St Bernard finds you stranded in …
Stephen Juan, 27 Oct 2006
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What is a fistula?

Also in this week's column: Does drinking alcohol really keep you warm? Can you judge someone's personality by the shape of their ears? What is a post-lumbar puncture headache? What is a fistula? Asked by Terry Cardner of St Louis, Missouri The body grows all sorts of things. Parts of the body are connected in all sorts of …
Stephen Juan, 27 Oct 2006
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What is a post-lumbar puncture headache?

Also in this week's column: Does drinking alcohol really keep you warm? Can you judge someone's personality by the shape of their ears? What is a fistula? What is a post-lumbar puncture headache? Asked by Liz Downes of Las Vegas, Nevada, USA There are all sorts of unusual forms of headaches that most people have never heard …
Stephen Juan, 27 Oct 2006
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Can you judge someone's personality by the shape of their ears?

Also in this week's column: Does drinking alcohol really keep you warm? What is a post-lumbar puncture headache? What is a fistula? Can you judge someone's personality by the shape of their ears? Asked by Ronnie Lathrop of Evanston, Illinois A century ago the pseudo science of phrenology was flourishing. According to …
Stephen Juan, 27 Oct 2006
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What happens when you are executed by electrocution?

Also in this week's column: What type of person is accident-prone? At what height can you survive a dive into water? Why do you sometimes lose bowel function when scared? What happens when you are executed by electrocution? Asked by Ron Talbot of Tyler, Texas In the late 19th century, it was widely believed that a more …
Stephen Juan, 20 Oct 2006
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Why do you sometimes lose bowel function when scared?

Also in this week's column: What happens when you are executed by electrocution? What type of person is accident-prone? At what height can you survive a dive into water? Why do you sometimes lose bowel function when scared? Asked by Peter N, of Albury, New South Wales, Australia Humans sometimes defecate at times of extreme …
Stephen Juan, 20 Oct 2006