The horseshoe crab is a marine arthropod and a testimony to the creative design and organization of God’s living creation. These odd crabs look much like crustaceans (lobsters, crabs and shrimp), but belong to a group of the subphylum Chelicerata.

Concretions are remarkable geological curiosities. They are spherical carbonate formations composed of mineral cement. Concretions are found near and far, from Western Kazakhstan to beaches in California. Usually the size of cannonballs, they form from water eroding a piece out of sedimentary rock. They almost look man-made.

(Warning: the following article contains spoilers, although minimal.)

Everyone loves dinosaurs—especially in movies.