In 2002, Israeli
scientists have bred featherless chickens which they say are faster
growing. The birds, created at the Hebrew University in Israel, will not
need to be plucked, saving money in processing plants.
Helicoprion is a long-lived genus of extinct, shark-like eugeneodontid
holocephalid fish. Almost all fossil specimens are of spirally arranged
clusters of the individuals' teeth, called "tooth whorls.