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 ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American Scientists thought they had a pretty good ...

Hamilton, H., Caballero, S., Collins, Allen Gilbert, and Brownell, Robert L., Jr. 2001. "Evolution of river dolphins." Proceedings of the Royal Society B: Biological ...

Dolphins have an irresistible charm for people. They are extremely playful at all ages and often play alone, surfing the waves, leaping into the air, performing flips and striking the water with their ...