kelsey rae

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The Last of the Rhinoceros Titans

In paleontology, size matters. The lifestyles of the large and charismatic often gain far more attention those of smaller, equally-strange creatures that thrived alongside the leviathans during prehistory. The most massive dinosaurs, of course, are the recipients of such scale-dependent adoration, …

Pessimists, Pyramids, and Playing

Let me begin by saying this is <b>not</b> a sponsored post.<p>National Geographic Kids was at Mom 2.0 last week, and they had a table of their products on …

Soap making, a video by photographer David Brooks, features 16th generation soapmaker Kerri Mixon and her small business making organic,…

Soap making, a video by photographer David Brooks, features 16th generation soapmaker Kerri Mixon and her small business making organic, vegan, and handmade natural soaps in San Diego, California.<p>There’s a lot of chemistry to soap, and a lot of ways to make it. For a simple craft approach with younger kids (like mine), we found two vegetable glycerin soap DIYs here and here…

Imagine that the age of the universe, 13

Imagine that the age of the universe, 13.82 billion years, is compressed into only one year. Carl Sagan explains this idea (using 15 billion years as his example) in a clip from his 1980 television series, Cosmos: A Personal Journey.<p>On this Cosmic Calendar, the Big Bang happens on January 1st at midnight, and we are at the end of the year, midnight on December 31st. Now look backwards:<p>Down here, the first humans made their debut around 10:30 p.m. on December 31st. And with the passing of every …

Colombian Slasher - How to Catch a Stingray | River Monsters