Human Anatomy

Neurology Organs Reproductive Health Dental Health Endocrine System Brain Structure Placenta Human Remains Physical Conditions Body Features Sexual Health Immune System Brain Knee Anatomy Skeletons Blood Physiology Physical Development Skull Structure Facial Anatomy Muscle Function Sensory Organs Pelvic Health Proteins Penile Tissue Mummified Remains Movement Science Skull Anatomy Body Hair Vocal Tract Eye Anatomy Mummification Process Skin Decomposition Vestigial Organs Cell Damage Organ Functions Skeletal Remains Skeletal System Reproductive Anatomy Body Systems Body Parts Medical Education Human Tissue Reproductive System Nervous System Contaminants Muscles Rib Structure Physiology Mummification Techniques Anatomical Education

New Study Finds Human Chin Is an Evolutionary Byproduct

Researchers link its emergence to skull reorientation driven by brain expansion with a shrinking lower face.

Study Calculates How Tiny Black Holes Could Injure Humans—and Why Encounters Are Virtually Impossible