Microbial diversity in the mouth The human mouth is home to between 500 billion and 1 trillion bacteria, making it the second-largest microbial community in the body, after the gut. Research has ...

A new study published in Nature traces the evolutionary origin of human teeth to sensory structures found on the exoskeletons of extinct fish.

Jurors are understandably skeptical of insanity pleas; so are true crime fans. But what about the psychologists who testify? How do they decide if a defendant is insane or acting?

More information: Jing Yu et al, An interplay between human genetics and intratumoral microbiota in the progression of colorectal cancer, Cell Host & Microbe (2025).

A recent study led by the Guangzhou Institutes of Biomedicine and Health of the Chinese Academy of Sciences has focused on this relationship and its effect on colorectal cancer. The study shows ...

Human Biology and Variation During his career, Dr. Andrew Crofton has research collaborations with a diverse array of clinical specialists and researchers, including a neurosurgeon, urologist, nuclear ...

Anatomy of an Extinction How climate disasters, human sprawl—and now Trump—are coming for America’s largest salamander. Jackie Flynn Mogensen April 21, 2025 ...

New Mexico man pleads guilty to bite attack resulting in amputation Darold ZunieFeathers, 28, plead guilty to assault with a dangerous weapon of unusual choice — his mouth. The victim had to ...

Browse 17,300+ mouth anatomy stock illustrations and vector graphics available royalty-free, or search for open mouth anatomy or human mouth anatomy to find more great stock images and vector art.

Yet one great achievement that frequently goes unrecognised is his studies of human anatomy. More than 500 years after his death, it’s time this changed.