How do giant canyons form? With water. Lots of it, coming from both above AND below the surface. How do I know this? Well, I don't know for sure, because I've never witnessed the formation of a giant canyon like Palo Duro Canyon or Grand Canyon. However, there sure is a lot of evidence that … Continue reading Reforming the story of Palo Duro Canyon
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Tiktaalik, a transitional fossil or just a fish?
This video presents some of the speculation and artwork that goes into describing fossils. Conclusions drawn about fossil finds are always subject to the interpreter's bias. This video shows how a simple experiment can turn a round-headed fish into something resembling the flat-headed and supposed (by some) part-fish, part-amphibian known as Tiktaalik roseae. There is evidence … Continue reading Tiktaalik, a transitional fossil or just a fish?
CLEP Professor Biology Commercial
Turn up your speakers, set YouTube to the "HQ" setting, and enjoy!
Using DIVE Science Video
DIVE Science is not your ordinary high school science curriculum. While the textbook is at the heart of most science courses, the video lectures, labs and homework are the foundation of DIVE Science. Watch the video to learn more about how you can use DIVE Science to get a college preparatory high school science education taught … Continue reading Using DIVE Science Video
Novarupta and the Valley of Ten Thousand Smokes
In July I visited Katmai National Park and hiked through The Valley of 10,000 Smokes. If you want to go somewhere that is vastly different than pretty much anywhere else on earth, then this is the place to be! Here is a YouTube video I made about the trip, that includes a discussion of a … Continue reading Novarupta and the Valley of Ten Thousand Smokes