Saliva is a bodily fluid most of us take for granted despite the significant roles it plays: aiding in digestion, maintaining ...

Saliva genes evolved faster than most body systems, revealing how food, pathogens, and environment shaped the modern human ...

Harvard scientists have discovered new evolutionary changes in pelvic structure that allowed the first humans to walk upright on two legs. The August study published in the journal Nature reveals that ...

In the grand story of evolution, the crowning human distinction is our big brain. But our large heads have been slow to recognize a less admirable trait of Homo sapiens—self-centeredness. Subscribe to ...

Cumulative culture -- the accumulation of technological modifications and improvements over generations -- allowed humans to adapt to a diversity of environments and challenges. But, it is unclear ...

Harvard’s Human Evolutionary Biology concentration may soon be known by a different name. In an email to concentrators, Ashley Johnson, the HEB undergraduate program coordinator, wrote that the ...

Autism spectrum disorder (ASD) may be the result of millions of years of evolution. Rapid neuronal evolution in humans is likely ASD’s genetic cause, new research suggests. Though autism can cause ...