This study used pupillometry to provide an objective assessment of a form of synesthesia in which people see additional color when reading numbers. It provides convincing evidence that subjective ...

In this video playlist you will learn how to simplify complex numbers under a radical as well as raised to a higher power. You will learn to add, subtract, multiply and divide complex numbers to write ...

Optical illusion puzzles are one of the biggest trends because these seemingly simple puzzles combine entertainment and real cognitive skills. These puzzles are designed in such a way that they ...

Humans may not be the only primates with the power to imagine. During a make-believe tea party, a bonobo named Kanzi kept track of invisible juice and imaginary grapes, researchers report February 5 ...

In a playtime experiment, researchers found that our closest living relatives have the capacity for make-believe, too. By Alexa Robles-Gil Having an imaginary friend, playing house or daydreaming ...

In a series of tea party-like experiments, a bonobo was able to identify imaginary juice and grapes. Kanzi was a famous bonobo who could understand spoken English and taught scientists a lot about ...