How many neurons are in the human brain?
The human brain contains about 86 billion neurons.
Reference: Guinness World Records
More facts about world records.
The human brain contains about 86 billion neurons.
A chameleon's tongue is twice the length of its body.
What is the hottest place on Earth? El Azizia in Libya recorded a temperature of 136 degrees Fahrenheit (57.8 Celsius) on Sept. 13, 1922 the hottest ever measured. In Death Valley, it got up to 134 Fahrenheit on July 10, 1913.