from the evil-green-things-from-outer-space dept.
visination.com writes "Recent ground based observations of Mars have confirmed the presence of water and methane. The 300 year life time of methane on Mars is short, giving scientists reason to beleive that Mars may be biologically active." From the article: "Every one of these longitudes shows a very substantial enhancement in the equatorial zone...So this is a very intense source of methane on Mars in this region. It also requires a very rapid decay of methane...more rapid than photochemistry would allow..."
If you push the "extra ice" button on the soft drink vending machine, you won't
get any ice. If you push the "no ice" button, you'll get ice, but no cup.