SciShow
The Island Made Of Gemstones
Zabargad Island in the Red Sea is so crusted with peridot that it's fair to say the place is literally made of it.
SciShow
The Lost City and the Origin of Life | Weird Places
Hydrothermal vents are some of the most extreme environments on the planet. But in 2000, scientists discovered a vent unlike any other, one that spews white smoke and is 10 times older. And some think it may help us understand how all...
SciShow
Looking for Life During a Lunar Eclipse | SciShow News
Astronomers took advantage of a lunar eclipse to study Earth as if it were an exoplanet, and Mars's Insight lander used seismic data to reveal for the first time boundaries between different layers of Mars.
SciShow
Scishow Quiz Show: Supersonic Giggles and Bat Cigars
It's a rematch Battle of The SciShow Hosts on today's quiz show! Will Olivia be victorious again or will Hank "try those logarithms" and win the day?
SciShow
Stardust Discovery, and 2 Planetary Conjunctions
SciShow Space shares the latest developments from around the universe, including news about the first material ever collected from outside the solar system, and a backyard astronomers’ guide to two upcoming planetary conjunctions.
Professor Dave Explains
Origin of Igneous Rocks
With minerals better understood, it's time to discuss rocks. The first type of rock we will discuss is igneous rock. These rocks are formed when magma/lava crystallizes. But how does the mantle rock melt to form magma in the first place?...
Professor Dave Explains
Classification of Igneous Rocks: Intrusive vs. Extrusive
Now that we know how igneous rocks form, what are the types of igneous rocks? This depends on precisely where they form, and we can call them either intrusive or extrusive. These can also be called either plutonic or volcanic. What do...
Professor Dave Explains
Types of Silicates Part 1: Orthosilicates, Disilicates, and Cyclosilicates
Silicates are a particularly complex class of minerals that all contain silica tetrahedra. Let's look at a few of the sub classes of silicates and the minerals in those groups to learn more about silicate structure. The 8 Classes of...