Mobius Strip
A Mobius Strip is an amusing three-dimensional object whose surface has only one side. Huh? Well, most objects you can imagine have a surface with two sides. For example, an ordinary piece of paper has two sides; you can paint one side blue and the other red.…
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Biology
What's So Funny?
There's an oft-repeated scientific definition of laughter as one or more forcibly voiced, acoustically…
Geology
What Causes Ice Ages....Or Global Warming?
We know from the rock record and cores taken from polar ice caps that periods of global cooling (ice ages, or…
Geology
1816 - The Year Without A Summer
Most global temperature change occurs over a long period of time, centuries rather than years, and in small…
Chemistry
What Is A Half-life?
When isotopes break down, or decay, they usually split apart into two smaller atoms. Excess neutrons and…