COVID-19 Vaccine: What Side Effects — or No Side Effects — Means
Everyone's body responds to the COVID-19 vaccine differently. ...read more
Author: Vishay Singh
Why Less Exercise Can Bring Better Results
As long as we keep up the intensity, both pro athletes and the general population can occasionally benefit from fewer workout sessions. ...read more
Are Kids Who Abuse Animals Destined to Become Serial Killers?
Cruelty against animals is one of the traits from the MacDonald Triad, a framework that was once thought capable of identifying serial murderers and people with violent tendencies. But there's more to this disturbing behavior than previously believed. ...read more
Earth Has Been Hiding a Fifth Layer in Its Inner Core
Scientists say they've detected a new, mysterious layer at the center of our home planet. The discovery could unearth more about Earth's history. ...read more
How Ancient ‘Deer’ Lost Their Legs and Became Whales
Over millions of years, they traded in their legs for flippers, gained blow holes and evolved into the largest creatures on Earth. ...read more
What’s Really Going on When Your Head Aches?
Inflammation, tension and stress often cause the common headache. Migraines, however, strike nerves on a more complex level. ...read more
Is the Kinsey Scale of Sexual Behavior Still Valid?
The decades-old classification system for the study of sex may still have value, but new frameworks offer more. ...read more
How the Inca Built Machu Picchu
The city’s longevity attests to the craftsmanship and practical prowess of its builders. ...read more
Gastric Bypass: We’re Still Understanding the Benefits of Weight-Loss Surgery
Beyond helping people lose weight and keep it off, bariatric surgery could also resolve type 2 diabetes (but we aren’t totally sure why). The explanation may lie in our gut microbiome. ...read more
Free Online Hearing Tests: Why You Definitely Want to Take One