Grain

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Articles about Grain

141 published items.

Explore gem islands in the Red Sea
Environment

Explore gem islands in the Red Sea

The Red Sea island of Zabargad is made of peridotite, a coarse-grained igneous rock filled with beautiful blue peridot gemstones.

April 25, 2024
Why can some deserts make strange sounds?
Discover science

Why can some deserts make strange sounds?

In some deserts around the world, sand dunes emit a loud, deep rumbling sound that can last up to 15 minutes and can be heard up to 6 miles (10km) away, this sometimes h…

March 28, 2024