Caged molecules do their thing. 1  Twelve or more table tennis balls. 2  One different-colored table tennis ball. 3  Wire basket. 4  Cardboard cut to fit over the basket opening. 5  Tape. 6  A hair dryer (set to the coolest setting), fan, or other blower.
Photo credit: Danika Bannasch, UC Davis. Hereditary equine regional dermal asthenia (HERDA) is a genetic skin disease found in the Quarter Horse. The disease is characterized by hyperextensible, elastic skin, severe dermatologic lesions, and often scarring along the back and withers of affected horses.
Definition of 'herd'. herd. A herd is a large group of animals of one kind that live together. ...dairy herds. If you say that someone has joined the herd or follows the herd, you are criticizing them because you think that they behave just like everyone else and do not think for themselves. They are individuals; they will not follow the herd. If you herd people somewhere, you make them move there in a group.