A recent study has shown that the mean body mass of marine mammals has increased by 150 times since the Cambrian period (542 million years ago). These findings are consistent with Cope's rule, which "proposes...
How would you design nature?—It's a question almost too grand for any one of us to answer adequately. But know that designing nature is something we humans have been working up to ever since we began to throw down our spears to take up the sedentary life of the sickle, hoe and cattle prod.
