Forbes August 23, 2026 • 14:00

A Biologist Explains Why Humans Have Lips (Hint: No Other Primate Has Them) - Forbes

By Scott Travers

Humans are the only primates with true, everted lips — a biologist unpacks the competing theories for why, from feeding and speech to social signaling.

You have looked at your lips every day of your life and probably never once wondered why they're there.
getty
Most of what makes humans anatomically strange is hidden from us. You cant see your own… [+4950 chars]

Read Full Article on Original Site ↗ ← Back to News List

A Biologist Explains Why Humans Have Lips (Hint: No Other Primate Has Them) - Forbes

More from Forbes

During the Solar System’s first million years, its earliest outer worlds formed from material that was up to 92 percent heat-forged rock, while gas flowing through the young system filtered out much of the surrounding ice-rich dust. - Space Daily

NASA budgeted 200 kilograms of fuel for Roman’s first course correction, but the telescope used only 18. Combined with extra fuel loaded before launch and further expected savings, that could stretch its 10-year fuel plan to at least 22 years. - Space Daily

Two-color light steers electrons through graphene's transient topological state - Phys.org

Ancient rocks from Western Australia suggest Earth was already dragging surface water into its mantle and using it to generate volcanoes 3.1 billion years ago — through a primitive recycling process that may have preceded modern plate tectonics - Space Daily