In the case of the dog, when it is suddenly given an enlarged brain, the stress is far more serious.

The change may have led to the enlarged brains of the lineage that evolved into modern humans.

And scientists say this may have made all the difference, leading to the enlarged brains of the lineage that evolved into modern humans.

Swallowing hard, Iblis looked from the enlarged brain suspended in its electrofluid to the haggard-looking monk.

With enlarged brains, the reatures were intelligent enough to perform simple underwater tasks.

The footprints and skeletal structure excavated at Laetoli were clear evidence that bipedalism evolved before enlarged brains in hominids.

Did a jaw mutation really "cause" the enlarged brains that make us human?

Oortlings: These docile humanoids with enlarged brains were bred by illithids as food.

Had it not been for the natural selection of enlarged brains, our species would have evolved in a completely different direction.

The need for more food to support the enlarged brains increased the pressures for improvements in insulation, temperature regulation and feeding.