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Attacks Using Bacteria As the Weapon Are Not Unheard Of. in 1984 a Cult in America Sprinkled the Food Poisoning Bacteria Salmonella in Salad Bars in Oregon in 1984, Infecting Nearly 800 People. However, this Didn't Make the Head

Sat, 27th Oct 2001

Part of the show Sexually Transmitted Diseases

A space shuttle ride could increase your fertility, according to new research that shows sperm are affected by gravity.
A group of NASA researchers sent sperm samples from tiny sea urchins on a space shuttle mission - sounds like a weird thing to do, but they wanted to see what happened to sperm in a weightless environment (that's one where there is no gravity). The sperm turned out to be much more active up in space than they normally are down on earth. To prove their point, the scientists put some sperm in a centrifuge, which increased the force of gravity. A centrifuge is a machine that spins round and round really fast - just like fairground rides. The researchers found that the sperm didn't enjoy this particular ride - they were much less active than normal. So what? I hear you say. Well these results might not seem relevant at the moment but NASA say they will be vitally important to future space colonies! For more information see
Scientists test the effects of coffee on sperm
How fast do sperm swim ?


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