Nobel Prize–winning physiologist Ivan Pavlovs quote of the day stresses that science should go beyond simply recording ...

In 1894, Ivan Pavlov summarized the physiological state of knowledge about digestion in this way: The digestive canal is in its task a complex chemical factory. The raw material passes through a long ...

Once rhesus monkeys learn to associate a picture with a reward, the reward by itself becomes enough to alter the activity in the monkeys' visual cortex. Once rhesus monkeys learn to associate a ...