"scientific american" news and stories

Last week results from a soil test came back to NASA from the Phoenix Lander, which is currently on Mars. Turns out that the soil is "slightly alkaline" with several different minerals (magnesium, sodium, potassium and chloride) already mixed in. Further test results will tell NASA whether the soil also has nitrogen or sulfates.

Do you know what that means? According to Scientific American, it means that Mars' soil could possibly grow vegetables that we have here on earth. Apparently, veggies like turnips, asparagus, and green beans make the best candidates. They'd have to be grown under the surface or in green houses due to the harsh ultra violet rays that penetrate to the surface of the planet, though.

Who knows, maybe in the next few decades you'll see vegetables indicating they're a product of Mars, right next to those from earthly locations.

Ah, one of the eternal questions, right up there with "Do you really have to wait an hour after eating before you swim?" and "How many licks does it take to get the center of a Tootsie Roll Pop?"

And now the question is answered at the Scientific American Web site. The old wisdom warned that you shouldn't swallow gum because it takes the body seven years to digest it. But the folks at Scientific American have investigated and the answer is ... after the jump!