Scientists have successfully grown a human tooth in the lab for the first time, opening new doors for natural regeneration.

Humans can produce thousands of distinct ... which lifts the corners of the mouth. But a Duchenne smile is characterised by the additional contraction of the orbicularis oculi, crumpling the ...

Scientists from King's College London have managed to grow a human tooth under laboratory conditions. And while this ...

PISA, Italy — You can tell a lot from a smile. For humans, it’s a symbol of joy. For bottlenose dolphins (Tursiops truncates) ...