How many neurons are in the human brain?
The human brain contains about 86 billion neurons.
Reference: University of Copenhagen
The human brain contains about 86 billion neurons.
Chameleons can move their eyes in two different directions at the same time.
The AKC recognizes only three Labrador Retriever colors: black, yellow, and chocolate. "Fox red" Labs are technically a dark shade of yellow, and "silver" Labs aren't accepted under the breed standard.