Mysteries

  • What Is Ovulation?

    What Is Ovulation?

    September 23, 2013 | Article

    For sex to result in a pregnancy, a woman has to go through ovulation. Part of the monthly menstrual cycle, ovulation happens when an egg, or ovum, becomes available for fertilization by a sperm cell.
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  • Why Is My Poop Green?

    Why Is My Poop Green?

    September 23, 2013 | Article

    It may be alarming to see green poop in your toilet bowl, but it isn't necessarily a cause for concern.
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  • Why Do We Yawn?

    Why Do We Yawn?

    September 23, 2013 | Article

    A number of hypotheses exist to explain why we yawn, but scientists have yet to come to a consensus about the phenomenon.
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  • What Is Scientology?

    What Is Scientology?

    September 19, 2013 | Article

    Founded in 1953 by the science-fiction writer L. Ron Hubbard, Scientology is a philosophy and set of religious beliefs centered around the principles of self-understanding and self-improvement.
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  • 'Unexplained Files' Explores UFOs, Moth Men and Alien Diseases

    'Unexplained Files' Explores UFOs, Moth Men and Alien Diseases

    September 18, 2013 | Article

    UFOs visit a small town in Argentina, a red-eyed winged beast terrorizes a town in West Virginia, and a bizarre disease afflicts people with inexplicable lesions, in a new Science Channel series.
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  • How Does Newton's Cradle Work?

    How Does Newton's Cradle Work?

    August 28, 2013 | Article

    Whether you know it as Newton's Cradle or the Executive Ball Clicker, chances are you've seen the educational desk toy that seems to defy explanation. The device consists of a row of five metal balls suspended by wires.
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  • Can a Tornado Blow Straw Into a Tree?

    Can a Tornado Blow Straw Into a Tree?

    August 28, 2013 | Article

    There are a lot of tall tales surrounding tornadoes, only some of them rooted in fact. One popular story suggests that the strong winds of a tornado could can blow a single piece of straw straight into a tree trunk.
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  • Can You Outgrow Your Allergies?

    Can You Outgrow Your Allergies?

    August 28, 2013 | Article

    Most people with allergies first develop them as children or infants. But as they age, some individuals leave their hay fever, pet allergies and or even food allergies behind in the playground.
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  • Which Plants Can Poison Cats and Dogs?

    Which Plants Can Poison Cats and Dogs?

    August 28, 2013 | Article

    Blessed with fangs and claws, dogs and cats clearly prefer meat. Still, both pets will nibble and even ingest plants. Since some greenery is toxic, which plants should pet owners avoid?
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  • What Is Mustard Gas?

    What Is Mustard Gas?

    August 28, 2013 | Article

    Mustard gas, or sulfur mustard, is a chemical agent that causes severe burning of the skin, eyes and respiratory tract. It can be absorbed into the body through inhalation, ingestion or by coming into contact with the skin or eyes.
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