New research highlights that Troodon, a small predatory dinosaur, had one of the highest brain-to-body size ratios among ...

If you look at a Neanderthal skull and a Homo sapiens skull, they’re visibly different: Neanderthal skulls are lower and longer, whereas ours tend to be rounder. However, those differences probably ...

Add Yahoo as a preferred source to see more of our stories on Google. Twins are uncommon in human history. Tesla Monson Our recent research suggests that twins were actually the norm much further back ...

Add Yahoo as a preferred source to see more of our stories on Google. Hobbits are exceptions to the rule that older ancient humans had proportionally larger wisdom teeth and smaller brains. Jim Watson ...

The capuchin monkeys are some of the most intelligent primates of the Americas. As they age, their brains can present the same types of lesions that characterize Alzheimer’s disease. Researchers from ...

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Mycobacterium tuberculosis (Public Health Image Library, NIAID, Image ID: 18139) Mycobacterium tuberculosis (Public Health Image Library, NIAID, Image ID: 18139) Microbes supporting the production of ...

Sixty million years ago most primates had twins automatically but our mammalian ancestors ceased birthing them to give us an evolutionary advantage, according to the findings of a new study.

Twins have been rare in human history and for that reason can seem special. Many cultures associate twins with health and vitality, while others see them as a philosophical reminder of the duality of ...

How did human brains get so large? The answer might lie in an unexpected place: our gut. New research from Northwestern University suggests gut microbes may have played a key role in meeting the ...

New research by scientists from the University of Reading and the University of Durham shows that encephalization (i.e., relative brain size increase) across 7 million years of hominin evolution arose ...