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Health & Science3h 35m ago

A new Yale study provides new insights into how tunas evolved their size, speed, and ability to regulate body temperatures, questioning a long-held theory that the asteroid strike 66 million years ago spurred their evolution.

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Who
Yale researchers
What
A new Yale study provides new insights into how tunas evolved their size, speed, and ability to regulate body temperatures, questioning a long-held theory that the asteroid strike 66 million years ago spurred their evolution.
When
Fri, 17 Jul 2026 21:17:40 GMT · 3h 35m ago
Where
Global ·
Why
To investigate the evolutionary drivers of tuna size, speed, and thermoregulation, challenging the hypothesis that the K-Pg extinction event created an ecological opportunity for their rapid evolution.
The Frontline Impact

How this affects you

The study challenges a prevailing theory on tuna evolution, suggesting that factors other than the K-Pg extinction event were primarily responsible for the development of these economically important fish.

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