Astronomers can say with near certainty that there are no moons with moons in our solar system. But that doesn’t mean it’s physically impossible. After all, NASA has successfully put spacecraft into orbit around our moon.

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He says go straight for three miles and turn east. She says drive past the school and turn right at the green house. Both sets of directions will get you to the same grocery store just as easily, but they embody the language barrier between the sexes that lurks behind many a front-seat argument.

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Carnivorous plants generally stick to a diet of bugs that they ensnare. On rare occasions, though, tropical pitcher plants—which drown and break down prey in vase-shaped traps that can be smaller than a little finger or larger than a football—have been found holding the skeletal remains of frogs, geckos and even small rodents. But what about human flesh?

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You have to listen very, very closely, but yes, cells produce a symphony of sounds. Although they won’t win a Grammy anytime soon, the various audio blips produced by cells are giving scientists insight into cellular biomechanics and could even be used to help detect cancer.

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Although many jilted brainiacs might beg to differ, there’s no concrete evidence that women are more attracted to dumb men. Yet the same might not be true for some of our mammalian cousins. Consider, for example, the bat. After gathering available brain and testis size data for 334 species of bats, evolutionary biologist Scott Pitnick of Syracuse University found that males with the biggest cranial capacity were likely to have the smallest testicles, and vice versa.

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In 1974, chemists F. Sherwood Rowland and Mario Molina warned that chlorofluorocarbons (CFCs), widely used as refrigerants, were destroying the ozone layer.

Using a spectrometer, British researchers discovered the ozone hole in the lower stratosphere over Antarctica in the mid-1980s.




The hole swells and contracts; it grew largest in Sept. 2000, spanning about 17.5 million square miles.

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