No Good Water!Science brain teasers require understanding of the
physical or biological world and the laws that govern it. You
are lost in the desert. You are out of water. You can see a
spring on the horizon. You run over and touch the cool water.
Your mom has told you never to drink water straight out of the
ground. All you have is two clean plastic cups, and no way to
make a fire to sterilize the water. How do you drink the water?
AnswerYou should fill one of the cups with the spring water and
hold the filled cup over the other cup and gently shake it. This
is because the cool spring water will create condensation on the
outside of the cup, which will drip into the other cup. You
should drink from the cup on the bottom. See another brain
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