At some point in evolutionary history, whales and dolphins passed a threshold their bodies could never recover from.
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It’s official: Orcas and dolphins have crossed the evolutionary point of no return for ever living on land again
A platypus can swim for food, then move efficiently across land. A sea lion can haul itself ashore, though its body is far better built for water. A dolphin never leaves the water at all. Researchers ...
Evolution: Brain Power. Season 53 Episode 13 \| 53m 39s Video has Audio Description \| AD. The story of the dolphin reveals ...
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It’s official: Dolphins and orcas have crossed evolution’s ‘point of no return’ to live on land again
A dolphin breaking the surface for air can seem like a reminder of its mammalian past. But evolution is not nostalgia. The same body that still needs oxygen from the atmosphere is also one of the ...
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