Ants in the genus Brachymyrmex have a 1:8 brain-to-body-mass ratio. (Image credit: vinisouza128 / 500px via Getty Images) Just as absolute brain size isn't a good predictor of animal intelligence ...

Think dolphins have the largest brain-to-body ratio? Think again! Scientists have identified a surprising U.S. animal that has an even more impressive brain-to-body proportion, giving it a unique ...

As an animal gets larger, its brain size increases as well, though not in direct proportion – it is not a one-to-one relationship. This phenomenon is called allometric scaling.

It traces each and every one of the 139,255 neurons in the brain of Drosophila melanogaster, along with the 50 million connections between them, and is by far the largest and most detailed ever ...

Since brain tissue is energetically costly to the body, larger-brained animals like humans, elephants, whales, and dolphins need more energy to support the brain’s growth and general upkeep.

As an animal gets larger, its brain size increases as well, though not in direct proportion – it is not a one-to-one relationship. This phenomenon is called allometric scaling .