Tree Trunk, Eliis and 21st Street, Boise, Idaho

Pareidoila


If you look at any walls spotted with various stains or with a mixture of different kinds of stones, if you are about to invent some scene you will be able to see in it a resemblance to various different landscapes adorned with mountains, rivers, rocks, trees, plains, wide valleys, and various groups of hills.…

Size Comparison: Apple Snail and Island Apple Snail

Why Charles Darwin Is Smiling


WC suspects that Charles Darwin, wherever he is now, is smiling. The last few months have provided wonderful examples of evolution in action. Here are two. The Snail Kite is a threatened species. It’s primary prey is the native Apple Snail (Pomacea paludosa), but the Apple Snail is threatened by an invasive species of snail, the…

More Proof WC Is Hopelessly Geeky


There’s more proof (if it was needed) that WC is hopelessly geeky. Randall Munroe’s excellent webcomic, XKCD, describes itself as “A webcomic of romance, sarcasm, math, and language.” He sometimes builds wonderful cartoons around arcane physics and chemistry principles. A recent example: Unless you know a little bit about interferometry, this cartoon will go completely over your…

Blue-gray areas were flooded during one or more of the Missoula Floods

One More Glacial Lake and Megafloods


Glacial Lake Ahtna dominated Alaska’s southcentral region during the Ice Age. Utah’s massive Lake Bonneville triggered the Bonneville Flood. But both Lake Ahtna and Lake Bonneville, stupdendous flood events themselves, were mere pikeminnows in comparison to the sturgeon that was Glacial Lake Missoula, which was not only a bigger flood event but happened as many as 80…