Women can gauge men's age, body fat, and testosterone from faces.
Women can infer age, adiposity, and testosterone levels from men's faces, a study in Poland found.
Topic
Biology
A collection of 370 issues
Alzheimer's impacts more than the brain, study finds
Alzheimer's disrupts nerves and blood vessels in fat tissue, affecting overall health.
Heart damage in middle age linked to dementia risk
Middle-aged heart damage linked to higher dementia risk later in life.
300,000 years of consistent stone tool use by early hominins
Early hominins used consistent stone tools for 300,000 years, despite major environmental changes.
Melatonin linked to heart failure risk
Melatonin use linked to increased heart failure risk, study suggests.
Mind-body retreat triggers rapid brain and blood changes
A one-week mind-body retreat triggered systematic brain and molecular changes linked to resilience, pain relief, and stress recovery.
Stem cell patch repairs hearts without surgery
Mayo Clinic develops a stem cell patch to repair damaged hearts without open-heart surgery, showing promise in preclinical tests.
Tiny wireless implants target brain diseases without surgery.
MIT researchers develop tiny wireless implants that travel to the brain, offering new treatment possibilities without surgery.
Giant communal spider web discovered in dark cave
Scientists found a giant communal spider web in a dark cave housing 110,000 spiders.
Childhood trauma linked to breast milk changes
Childhood trauma in mothers may affect their breast milk and infants' temperament.