The erosion threshold of sand-mud mixtures is investigated by analyzing the momentum balance of a sand particle or a mud parcel in the mixture bed surface, and a formula for the critical shear stress ...

Looks like some family story of sorts. Very interesting find." Meanwhile, a fourth speculated, "When you unburied it it looks as if the house was built on top of ashes, as if it burned down and ...

But Mother Nature often has more than a few tricks up her sleeve when you’re way out there, and one of her most common is leaving you to traverse a trail strewn with thick, slippery mud.

Bees, wasps, and hornets have found unique ways to survive in habitats all around the world. Mud daubers are a type of wasp that has developed a particularly interesting nesting behavior — they ...