Researchers uncover evidence that the gut microbiome and brain connection can influence brain gene expression and neural ...

The human brain is a greedy organ. It gulps energy, demands constant upkeep, and somehow grew far larger (relative to body ...

The pelvis is often called the keystone of upright movement. It helps explain how human ancestors left life on all fours ...

Could our gut hold the key to human intelligence? New research shows gut microbes can shape brain development, boost energy ...

By transplanting gut microbes from humans, squirrel monkeys and macaques into germ-free mice, scientists reveal that ...

New research shows gut bacteria can directly influence how the brain develops and functions. When scientists transferred ...

Saliva is a bodily fluid most of us take for granted despite the significant roles it plays in aiding digestion, maintaining strong teeth and defending against oral disease. However, the evolution of ...

If we look across the whole of the mammal branch of the tree of life, we find there are many groups of mammals that have evolved testicles of all different sizes. In almost all these separate cases, ...

Twins are pretty rare, accounting for just 3% of births in the U.S. these days. But new research shows that for primates 60 million years ago, giving birth to twins was the norm. When you purchase ...

What events led to differences between humans and other primates? What changes throughout evolution underlie such a dramatic shift in how we socialize and process information? Although somewhat ...

The meaning of taxonomic statements / George Gaylord Simpson -- East African fossil Hominoidea and the classification within the super-family / L.S.B. Leakey -- Quantitative taxonomy and human ...