Human 101
Why Do Some People Have Dimples?
Dimples are caused by a variation in facial muscles that pull the skin inward when you smile. Often inherited, these small indentations are rare and considered attractive in many cultures.
Human 101
Dimples are caused by a variation in facial muscles that pull the skin inward when you smile. Often inherited, these small indentations are rare and considered attractive in many cultures.
Human 101
Holding your breath too long lowers oxygen and raises carbon dioxide in your blood. This leads to diaphragm spasms, dizziness, and eventually loss of consciousness if pushed too far. Your body’s urge to breathe is actually triggered by CO₂ buildup, not oxygen shortage.
Human 101
Wondering why some people have dimples? Learn the science behind dimples, their genetic roots, and why they're considered attractive across cultures.
Human 101
What happens if you stop sleeping for 30 days? From hallucinations to immune failure, discover how long the human body can survive without rest—and why sleep is absolutely essential.
Human 101
The Human Genome Project was a global scientific effort to map every gene in human DNA. Discover how this breakthrough transformed medicine, genetics, and our understanding of life itself.
Human 101
Why do we age? Discover the biological causes of aging, from telomeres to oxidative stress, and explore what science says about slowing the aging process.
Human 101
The human immune system is a vital defense network that protects your body from infections and diseases. Learn how it works, what it’s made of, and how to keep it strong.
Human 101
Today, you will hear sentences from us that are far from science than you are used to, about how superstitions and beliefs affect people. A ton of conspiracy theories about the number 13 and where it comes from. Speaking of conspiracies, not all of them, of course, but when you