Snow-making machines actually make tiny beads of ice, each one about one ten-thousandth of an inch in diameter.聽Water is sprayed from a hose together with compressed air.聽The air is needed because...
What are children introduced to, on average, at the age of four and a half months? Your answer will vary depending on where you are from. In Finland,聽the answer聽is the sauna.
Obviously, the rate of evaporation depends on the temperature. Put a drop of water in a hot frying pan and it will sizzle and change into a vapour almost immediately. Place that drop on your...
I am always cold. I鈥檝e had this problem ever since I was a child, when I鈥檇 sneak into the living room in the winter and turn up the thermostat while my parents weren鈥檛 looking. When I still worked...
Medical students in Michigan want to help screen women in rural India for breast cancer and are trying聽to raise $12,000 to buy a portable breast thermography device.聽Donna in Ohio wants to raise ...
Like all warm-blooded mammals, we humans need to get rid of the heat we generate with every chemical reaction in our bodies. Most animals, like dogs, get rid of heat by panting. Panting is actually...
A resounding 鈥渘ot true!鈥� First of all, all food is dead, unless you graze on grass or take a bite out of a living cow, neither of which is advisable. As far as nutrition goes, microwave cooking is...
I had friends in University that wrestled. And I never really got it.聽 The jousting, the hold-鈥榚m-down-till-they鈥檙e-finished-mentality. And the outfits. I won鈥檛 even get started on that one. But...
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