The strongest muscle relative to its size is the masseter (jaw muscle)

Human bones are stronger than concrete — ounce for ounce, bone is stronger than steel

Bone's compressive strength surpasses steel's, outperforming concrete per weight

The Caspian Sea is the world's largest lake — technically not a sea despite the name

The Caspian Sea is the world's largest inland body of water, not a sea

Mandarin Chinese is the most spoken first language — about 920 million native speakers

Mandarin Chinese has approximately 920 million native speakers

The Sun makes up 99.86% of all mass in the solar system

The Sun constitutes 99.86% of the solar system's total mass

Neutron stars are so dense that a teaspoon of their material would weigh about 6 billion tons

A teaspoon of neutron star matter equals approximately 6 billion tons

The mantis shrimp can punch at 50 mph — accelerating faster than a .22 caliber bullet

Mantis shrimp's punch speed exceeds .22 caliber bullet's velocity