Photo of the day

Meerkat sentries stand guard over their home, prepared to take on any less-than-friendly neighbors. Sometimes they may run away, but on some occasions they will fight brutal battles. This image is from World's Deadliest Lion.

Cairo, Egypt: (Left to right) Albert Lin and Dr Meredith Brand inspect the Merneptah Stele at the Egyptian Museum, Cairo. This image is from Buried Secrets of The Bible with Albert Lin.

Peregrine falcons fly with speed and precision that makes taking a pigeon down mid-flight an easy task. They're used in some airports to prevent bird-plane collisions, increasing flight safety. This image is from World's Deadliest Lion.