Tag «geology»

Yosemite Nature Notes – 10 – Rock Fall

Yosemite Nature Notes – 10 – Rock Fall

[Music] This is actually a really interesting viewpoint to view the runout zones for rockfalls from Glacier Point. Usually we’re looking either across the Valley over at Glacier Point, or we’re down at the bottom looking up, and those are valuable views as well, but this is really useful to be able to be up …

Rare Earth Elements: China’s Vibranium?

Occasionally in books or movies the story will feature a fantastic new and rare element with seemingly impossible Characteristics in the Lord of the Rings mithril is a light but extremely strong metal found only within the mines of moria In James Cameron’s Avatar this highly valuable metal was called unobtainium a room-temperature Superconductor found …

Earth Science: Crash Course History of Science #20

Earth Science: Crash Course History of Science #20

From 1600 to 1800, European physics and chemistry went through revolutions that made them quantitative, or numbers-based. Meanwhile, biology remained with natural history, and stuck with observation-based knowledge. But what about the study of the earth? In this field, natural philosophers were asking questions like, what’s up with fossils? Are they the remains of extinct …

Fossils: Rocking the Earth

How do we know that two species are related if their common ancestor is no longer alive? How do we know what happened on Earth before humans showed up? Sometimes the answers to questions like these are right beneath our feet. Look in the right place, and you’ll find fossils—traces of organisms that were once …

Sea level rise is so much more than melting ice

Sea level rise is so much more than melting ice

– So, we do lots of climate and environment stories, and we’ve run up against one concept all the time, sea level rise. This probably isn’t news to you, but as the planet warms the average sea level is rising, and it’s threatening coastal populations around the world. But we got tripped up by one …