Category Archives: Nature

Snow day near Skyline

Posted on February 6, 2017 by Jim deMaine
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Not all paper is created equal: an 800-year-old tradition of making it by hand

Posted on January 26, 2017 by Jim deMaine

From Aeon: “A tradition dating back to the 16th century, making paper by hand is still central to life in the village of Kurotani in the Japanese prefecture of Kyoto. The durable and versatile material, called washi, is crafted in a meticulous … Continue reading →

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Human Evolution Lectures 2016-2017 (Calvin)

Posted on January 21, 2017 by William Calvin

After each stand-up lecture, I am producing a scripted youtube version. Here are the ones so far, in order. They are video files, so you can pause and back up easily, should you want to think about something for a … Continue reading →

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Human population through time

Posted on December 2, 2016 by Jim deMaine

From Aeon: “From our origins in Africa, humans began migrating around the globe roughly 100,000 years ago. But it was only with the advent of agriculture about 12,000 years ago that our population started to swell to more than a million. This data … Continue reading →

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Coded vibrations and signal jamming – the secret language of the treehoppers

Posted on November 10, 2016 by Jim deMaine

From Aeon: “Treehoppers, a large family of insects found around the globe, live on plant branches, sucking nutrients from sap and frequently blending in with their surrounding to avoid the attention of predators. At first glance, the creatures appear rather … Continue reading →

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Beautiful chemistry

Posted on October 24, 2016 by Jim deMaine

This video isn’t just for the scientists. “Eight types of beautiful chemical reactions are presented in this short video, including metal displacement, precipitation, chemical garden, crystallization, color change, bubbling reactions, dancing fluorescent droplets, and smoke. This video won an Experts’ … Continue reading →

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Aliens have arrived – White Pelicans!

Posted on September 1, 2016 by Jim deMaine

“It was like seeing aliens arrive,” says Ehler, a seasonal biologist with a degree in ornithology. “It’s unprecedented for them to be here, so something really unusual is happening.” White pelicans are different from brown pelicans, a more common summer visitor … Continue reading →

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