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A Silicon Valley startup wants to use technology to solve the pizza paradox. It's a food that's meant to be delivered but never tastes quite as good upon arrival.
Most potential Alzheimer's drugs are tested on mice. But rats may be a better choice because they seem to have a type of memory that's more like ours, and also are highly vulnerable to Alzheimer's.
To cap its 12-year scientific voyage, the Rosetta spacecraft will take a final plunge Friday. Scientists will signal Rosetta to crash into the surface of a comet — and gather data all the way down.
Today instant ramen is consumed in at least 80 countries — with culturally specific adaptations. The U.S., for instance, gets shorter noodles, because Americans don't slurp them up like the Japanese.