A Moment of Science
Applesauce recipes call for sugar, to heighten the sweetness. The recipe is very specific about when to add the sugar--after the apples have cooked. Why?
Today's A Moment of Science is about a creature who lends a whole new meaning to the phrase.
A Moment of Science wonders, why isn't there any frozen lettuce?
What brings on itches in the first place, and why does scratching provide such welcome relief?
Fingernails. They're good for scratching, biting, clipping, and polishing. But what are they, in fact?
Chow down salty chips or pretzels, and soon you'll be guzzling your favorite drink. But snacking on sugary foods makes you thirsty, too.
The body must produce the liquid part of blood, called plasma, and the cells that float in it.
Cell copies are not perfect--the chromosome isn't copied all the way to the tip. That's where telomeres come in handy.
Scientists used to think that for all its complexity, the brain was pretty static. But... is this true today?
Although painted turtles don't have much else in common with automobiles, their wintertime coping strategies include antifreeze, too.
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