Thus, coo calls produced by a small monkey can be transformed to sound like those of a large monkey, and vice versa, by manipulating the apparent size of the vocal tract while keeping the source constant.
One group in South America has shown that an Owl monkey can be reproducibly infected with sporozoites of P. falciparum [10] [12].
Space Monkey can be purchased for $9.99 from Apple's App Store on iPhone and iPod touch or at itunes.
Researchers have shown that monkeys can be trained to move a robotic arm in just that fashion through thought alone.
Parrots and monkeys can be spotted in the trees around the villas, and there are many tidal pools to explore.
The monkeys can be trained, for example, to open doors, retrieve objects, turn on lights, load a tape recorder, and place a book on a reading stand.
Monkeys can be quite consoling, representing trial runs on the road to human creation, as Ptolemy Tompkins writes in "The Monkey in Art".
Perhaps research on monkeys can be conducted without harming them, but you can't do pain research (for instance) without inflicting pain.
The monkeys can be very aggressive.
But it is not clear if the ZMapp drug, which has only been tested on monkeys, can be credited with their improvement.
