Global change drove the evolution of giants - September, 2017
We live in extraordinary times. The largest animals ever to have lived on Earth happen to be alive today. Blue whales are larger than any mastodon, dinosaur, or mega-toothed
shark ever was. They can grow to almost as long as a 737 airplane and weigh about twice
as much! Such huge creatures beg the question, why. Why so big? As it happens, this is
just the sort of question that evolution can help us answer.
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