The Hummingbird's Heartbeat

The Hummingbird's Heartbeat

A hummingbird's heart beats 20 times every single second—faster than almost any creature on Earth. We dive into the microscopic chambers, specialized cells, and evolutionary adaptations that power the world's most efficient flying machine. In under a minute, discover why this tiny heart is one of nature's greatest engineering marvels.

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Best of pt2

Under 1 Min best of episode!

Best of

Under 1 Min best of episode!