Coral sand, also referred to as biogenic sand, isn’t just made up of material that’s passed through a parrotfish. The movement of the ocean is abrasive and can also wear down calcium carbonate ...

It's incredibly rare but there are a handful of beaches on Planet Earth where star-shaped sand can be found. Sand on three ...

Found on the beaches of Okinawa, Japan, and across the south and west Pacific, this special sand is very rare. “In Okinawa, some islands like Taketomi, Hatoma and Iriomote are famous for finding ...

Sending just 4 volts through a sand-and-seawater mixture for 28 days triggered mineralization. Using a rod-like electrode with a diameter of 2 centimeters could create a tube of rock up to 80 ...

While millions of Americans vacation on beaches every year to seek out sun, sand and the sea, many might not realize how dangerous digging holes in the sand can be. In February 2024, a 7-year-old ...

Composed of calcium carbonate and magnesium hydroxide in different ratios, it’s pretty simple to make – just take some seawater, zap it with electricity and bubble some CO 2 through it.