Forbes contributors publish independent expert analyses and insights. Ian writes on fossil energies, climate, and transition to renewables. This article is more than 3 years old. Pumping water mixed ...

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 ...

Researchers found that a silica surface such as sand has little effect on slowing down the movement of the plastics, but that natural organic matter resulting from decomposition of plant and animal ...