Walking Backward Helps You Move Ahead with Joint Health
Experts explain how moving in reverse can take pressure off your knees and improve flexibility
Physiology
Why Do Colors Change during a Solar Eclipse?
When the moon fully eclipses the sun, it’s not just the sky that changes. Your eyes do, too
A Cellular Wastebasket Reveals Secrets of Aging
The humble vacuole, a garbage dump inside cells, turns out to play an important role in the aging process
Why Does the Same Temperature Feel Hotter or Colder in Different Places?
The answer isn’t just about temperature. Our physiology, psychology and clothing choices also factor in
Ozempic and Other Weight-Loss Drugs Are Sparking a Risky New War on Obesity
The world has launched into an era of injectables not just to treat obesity but to manage weight. Is that all good news?
These Researchers Put Sperm Through a Kind of ‘Hunger Games’
The research focused on figuring out what enables certain sperm to gain some competitive advantage over millions of others fighting for the same prize.
Small Collections of Cells Determine How a Body Takes Its Shape
Developmental biologist Alfonso Martinez Arias believes that the emergent properties of cells, rather than the “instructions” written by genes, are the key to understanding how bodies are built
Ways to Extend Your Healthy Years, Not Just Your Life
The biology of aging shows ways to lengthen your healthspan, years free of serious disease
Your Body Odor Could Be Used to Track Your Movements or Health
Human scent signatures could one day be collected at places like crime scenes and COVID testing sites
Can Your Body’s Response to Music Predict Hit Songs? A New AI Study Claims It Can
A new study suggests AI can analyze cardiac activity to predict whether a song will be a hit before it’s released. But some hit-song scientists are skeptical
Why Some People Get Sick More Often
Genetic susceptibilities, the environment and the body’s response to inflammation all influence our odds of falling ill
Octopuses Redesign Their Own Brain When They Get Chilly
Hyperintelligent octopuses just got weirder: scientists have found the cephalopods can recode their brain when temperatures change