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
You can only remember 4 things at a time.
31
The human brain doesn't stop developing until about 25 years old.
102
The human brain is more active during sleep than during the day.
28
The cat brain weighs about 30g.
167
There are more nerve cells in the human brain than there are stars in the Milky Way.
349
Our brains have a negativity bias and will remember bad memories more than good ones.
15
On average, there's 300 billion neurons in the octopus brain.
129