Have you ever wondered how ski hill operators make snow? Actually, they don't make snow, they make tiny beads of ice, each one about one ten-thousandth of an inch in diameter. It all starts with...
Believe it or not, the tasty marshmallows we know are inspired by a plant, a perennial that grows up to about four feet high. Its root has a soft and spongy texture and looks like lung tissue,...
In many households, 7:00 pm is time for Jeopardy (although these days, with video recording and repeats on Netflix, any time can be Jeopardy time). For thirty-seven years many of us have invited...
You鈥檙e at a birthday party and the place is full of helium-filled balloons stuck to the ceiling. How are these balloons defying gravity? No magic involved! The law of buoyancy as first stated in...
Sometimes called 鈥渆ar rocks鈥�, small crystals of calcium carbonate (essentially limestone) are found in your inner ear. The technical name for these tiny stones wrapped in a matrix of protein is ...
No, the original cause of COVID-19 was not someone eating bats in China. That is a myth. But bats are not off the hook because there is a chance that the SARS CoV-2 virus did originate in bat poop...
Most homeowners let their dogs use the backyard as their own personal toilet. Often after a winter of such potty practice, when the snow melts, you鈥檒l often find your lawn speckled with unsightly...
Ricin is in the news because this potentially potent poison was supposedly detected in a letter addressed to President Trump. For me, this brings back memories of my last visit to London when I...
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