Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Our brains have a negativity bias and will remember bad memories more than good ones.
15
Chocolate is associated with the release of serotonin, the hormone that makes you feel relaxed, calm, and happy.
183
The brain receives 20% of the body’s oxygen and 25% of total body glucose utilization, despite it accounting for only 2% of a person’s weight (about 1.4 kilograms).
8
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
We forget why we have entered a room because passing through doors creates an ‘event boundary’ causing the brain to file away what we were just thinking about.
26
On average, there's 300 billion neurons in the octopus brain.
129
The elephant brain weighs about 6,000g.
274