Biology

Cell Biology Genetics Circadian Rhythms Aging Immunology Microbiology Hormones Human Biology Human Development Molecular Biology

Scientists Map Gut-to-Brain Circuit That Cuts Appetite During Parasite Infection

The study reveals an epithelial relay that uses acetylcholine to trigger serotonin signaling to the brain.

Oxford Meta-Analysis Finds Stored Sperm Deteriorates Across Species

Expert Analysis Identifies the 40s as Life’s Most Exhausting Decade

Young Microbiota Rejuvenate Aging Intestinal Stem Cells in Mouse Study

Stanford Study Identifies 78 as Onset of Old Age and Three Stepwise Shifts in Aging

Deryck Whibley Claims His Body Now Operates Eight Years Younger

Study Finds Pond Frogs Can Swallow Giant “Murder Hornets” Despite Repeated Stings

Mouse Study Ties Greying Hair to Body’s Damage Response, Not Cancer Immunity

How Much Sleep You Need Changes With Age, Experts Say

Mouse Study Ties Gray Hair to a Stem Cell Safety Switch Linked to Melanoma Risk

Marcos Llorente Defends Blue-Light Glasses as Ophthalmologists Reject Health Claims

Sweet-Sensing Cells Marked by c-Kit Drive Taste-Bud Regeneration After Nerve Injury

FIS Mandates SRY Genetic Test for Entry to Women’s Ski and Snowboard Events

PNAS Study Identifies CHP1 as Master Regulator of Lipid Droplet Growth

Ciliary Hedgehog Signaling Redirects Fat Precursor Cell Fate in Mice

Beta-Cell GLUT Trafficking Breakdown Tied to Reduced Insulin Secretion in Type 2 Diabetes

This Morning Hosts Find They’re Biologically Younger in Live Age Test

Study Links Monday Anxiety to Sustained Cortisol Elevation in Older Adults

NASA-Backed Synthetic Lichen Converts Martian Regolith Into Construction Material

PDE3 Inhibitors Stimulate Bone Growth in Mice, Offering Potential for Skeletal Disorder Therapies