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The Nigerian naira appreciated against the U.S. dollar in the parallel market on Friday, closing at N1,610/$1, compared to N1,630/$1 recorded on Thursday. This represents a N20 increase within a day.

Hunters have a ton of small odds and ends, and the Ororo heated vest is a great way to organize them all. It has 14 pockets for everything from your cell phone and truck keys to extra shot shells.

There's a lot more to Earth than meets the eye. Far from being just a roundish rock barreling through space, our planet is composed of several layers held together by intense forces of gravity.

Potential patches of Earth's ancient crust, sometimes called "sunken worlds," may have just been discovered deep within the mantle, thanks to a new way of mapping the inside of our planet.