This article was originally featured on The Conversation. If you want to understand why some sandcastles are tall and have intricate structures while others are nearly shapeless lumps of sand, it ...

MYRTLE BEACH, S.C. This beach town has completed its attempt to build the world's tallest sand castle, a 32-1/2-foot creation featuring two dozen spires and guarded by a pair of gargoyles. The castle, ...

If you live near a beach, chances are you and your kids have hauled sloshing buckets of seawater to build sandcastles. While visions of turrets, moats, and intricate brickwork might feel out of reach, ...