Sandcastles aren’t just for kids! Spending a day at the beach creating a sand sculpture is a great way to unleash your inner artist and have some extra fun. We asked four professional sand sculptors — ...

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 ...

MAKUENI, Kenya — On a dry riverbed one recent sunny morning, residents of Kasengela village toiled away mixing cement and sand to make concrete. The sound of their shovels resonated through the valley ...