How many neurons are in the human brain?
The human brain contains about 86 billion neurons.
Reference: Guinness World Records
More world record facts.
The human brain contains about 86 billion neurons.
The left lung is smaller than the right to make room for the heart.
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.