The monkeys' "ultra-yodels" had frequency leaps that were five times larger than human frequency changes, often exceeding three octaves. (Human yodelers are limited to one octave.) While the monkeys' ...

NASA’s early space missions sent monkeys into orbit to study the effects ... tests may have unintentionally revealed clues about human evolution. Could these experiments have uncovered hidden ...

Monkeys will always be better at yodelling than humans because they have a "cheap trick" hidden in their voice box, ...

Yodelling monkeys can produce far greater frequency jumps than humans due to special structures in their throats, research ...

The complex unfolding of human evolution over the past 7 million years ... organisms as diverse as ring-tailed lemurs, tarsiers, and monkeys from both the Old World and New World.

Scientists have long tried to understand the human brain by comparing it to other primates. Researchers are still trying to ...

The 100th anniversary is approaching of the law under which John Thomas Scopes was prosecuted and convicted in Dayton, Tennessee, in the celebrated “monkey ... of human evolution among ...