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AIDS - a Manmade Disease?
Cecil "The Straight Dope" Adams considers the allegations and the evidence and places his bet.

Aspartame Warning
"Rabidly inaccurate" email flyer dating from 1995, alleging that NutraSweet causes just about every malady known to humankind.

Balancing Eggs on End During the Equinox
Can it be done?  Yes, say experts. And you can do it ANY day of the year ... if you know the trick.

Chemtrails: Those Mysterious Lines in the Sky
Engineer Jay Reynolds unravels the overhyped "mystery" of jet chemtrails (or "contrails"), their origin and alleged effects on health and environment.

The Coriolis Effect
Have you heard the story that bathtubs and sinks drain one way in the northern hemisphere and the other way in the southern hemisphere? Here are the facts.

The Dangers of Dihydrogen Monoxide (DHMO)
"Dihydrogen monoxide [otherwise known as water] is colorless, odorless, tasteless, and kills uncounted thousands of people every year..."

Do We Only Use 10% of Our Brains?
"While for the people who repeat that myth, it's probably true, the rest of us happily use all of our brains," says the Skeptical Inquirer.

The Face on Mars
As seen in Viking I photographs. Is it a strange sculpture left by a long-extinct society, or...?

The First Human Male Pregnancy
One man's personal sacrifice for science, or an elaborate, artsy-fartsy put-on?

The Great Wall of China
It is claimed that the Great Wall of China is the only man-made object visible from space or from the moon with the naked eye.  Urban legend, says Matt Rosenberg, About's Geography Guide.

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