Read just our best, feature-length articles without all the extra stuff.
The Coldest Known Star Is Only As Warm As What?
Enter your email below to get exclusive access to our best articles and tips before everybody else.
The Sperm Whale has the largest and heaviest brain of any organism–approximately 20 pounds with a volume of around 490 cubic inches. A human brain, by comparison, weighs around 3 lbs and has a volume of around 80 cubic inches.
Enter your email address to get our daily newsletter.