How many neurons are in the human brain?
The human brain contains about 86 billion neurons.
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- Is tongue rolling genetic?
“Tongue rolling isn't controlled by a single simple gene.”
Reference: University of Delaware
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An interesting fact about chameleon tongues
A chameleon's tongue is twice the length of its body.
What colors do Labrador Retrievers come in?
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.