, I'd like to know why the sky is blue normally, but red at sunset ?

 

I read somewhere that if you were to follow the human embryo from conception to birth, it goes through every stage of evolution that has led to humanity. Is this true of an old wives tale?

 

what causes hydrocephalus in babies, babies with large heads ?

 

my father had a stroke 6 years ago, I'm very interested in cell transplant treatments. How far has this treatment gone?

 

what is a stitch, what causes it and how can we deal with it?

 

How do whales hunt and eat prey without swallowing gallons of water?

 

an alternative to aspirin. I was wondering if it's safe to take it all the time?

 

If your eyes respond to light, then how can you see black ?

 

What causes bad breath? I had a bad stomach and bad breath yesterday - could they be linked?

 

I came back from holiday and thought it would be nice to keep the suntan topped up. Although you're advised to wear goggles or eye protection on sunbeds, what would happen if you didn't and just kept your eyes closed?

It's True - in those days they were called bis coctum which is Latin for twice baked. They consisted of a thin hard unleavened wafer that was popular because it didn't go mouldy.

It's False - Head hair grows about 2mm a week.

It's False - Listerine was actually invented in 1880 by an American doctor called Joseph Lawrence - he named it after Sir James Lister, the British doctor who discovered antiseptics.

It's True - rats can scamper along at about 10 miles and hour - must be why it's called the rat race !

It's False - Bed bugs can actually survive in your bed, feasting on you each night, for 6 months.

It's False - They are actually scared of nudity.

It's True - Hedgehogs, under ideal conditions rather than under cars, can live for up to 14 years.

It's True - The Montgolfier brothers powered their first unmanned flight, in 1783, with a pile of moist wool and old shoes

It's True - it's in Hong Kong, which incidentally means 'fragrant harbour' in Chinese.

It's True - Smoke detectors contain a tiny amount of a radioactive substance positioned close to a radioactivity detector. The alarm remains quiet so long as the detector can pick up the radioactivity. But when smoke particles - from burnt toast for instance - get into the smoke alarm they stop the radioactive particles from reaching the detector, which then triggers the alarm.

It's False - They are actually terrified of beards.

It's False - Indeed, Austrian lung specialist prof. Friedrich Bischinger has recently been advocating the process of picking your nose and eating it. He suggests that "eating the remains of what you pull out is a great way of strengthening the immune system. Medically it makes great sense and is a natural thing to do !". Somewhat dubiously he also claims that people who pick their noses are "healthier, happier and better in tune with their bodies."

It's False - the average daily laughter quotient is a more miserable 15 times daily !

It's True - a car cornering at 100 miles an hour experiences a force of 5G or 5 times the force of gravity. This means that the driver's weight is effectively multiplied by 5 and his head alone can end up weighing 25 kg ! It's exactly the same reason that's your body feels so heavy when you go on a fast fairground ride.

It's False - Economic analyses show that Tuesday is the most productive day of the week

It's True - Ancraphobics are terrified of the wind.

It's True - The man who was the proud possessor the nails had a thumbnail 1.4 metres long !

It's False - A cow produces closer to 40 glasses of milk a day

It's True - Erectile tissue inside the nose warms and moistens the air you breathe in, and together with sticky mucus also secreted in the nose, acts as a filter to trap bugs and dirt.

It's True - though slightly dubiously tasting (and probably not that well received) snacks made from jellyfish went on sale in the last 4 years.

It's True - Ostrich's are not known for their intellect, and their eyes are not that large either !