On average, there's 300 billion neurons in the octopus brain.
129
The average person's skin weighs twice as much as their brain.
131
The cat brain weighs about 30g.
167
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
Déjà vu occurs when your brain tries to apply a memory of a past situation to your current one, fails, and makes you feel like it's happened.
12
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
An ant brain has about 250 000 brain cells. A human brain has 10,000 million so a colony of 40,000 ants has collectively the same size brain as a human.
118