You steadily “dry out” as you age. A newborn human baby is 75 percent water, adult men are about 60 percent, adult women 55 percent, and elderly people are roughly half.
human body
The Sama-Bajau, a sea-faring…
The Sama-Bajau, a sea-faring and nomadic people, have physical adaptations that enable them to see better and dive longer underwater. It was recently discovered that they have evolved bigger spleens that provides a larger reservoir of oxygenated red blood cells.
Spain is the only country in the world…
Spain is the only country in the world that has a monument to the liver – “The silent and unselfish organ.”
Your eye’s pupil got its name from Latin…
Your eye’s pupil got its name from Latin “Pupilla”, which means little doll. Because that’s what you see when you look into someones pupil, the little doll version of yourself.
The ‘stomach in your mouth feeling’….
The ‘stomach in your mouth feeling’ on a roller coaster is your organs floating inside you.
Over 99% of Koreans lack a gene…
Over 99% of Koreans lack a gene called ABCC11. The gene is what causes the body odor. Only 2% of Europeans have this same mutation.
Most of the genetic changes and muscle memory spurred…
Most of the genetic changes and muscle memory spurred by exercise are lost by a month or two of no training, a study found.
A Pennsylvania man survived 12 hours laying frozen…
A Pennsylvania man survived 12 hours laying frozen by the side of the road in subzero temperatures because the low temperatures preserved his brain and other organ functions.
On average, the center of gravity is about three percent…
On average, the center of gravity is about three percent higher in blacks than whites. This partially explains why blacks are better sprinters and whites are better swimmers.
The sudden startled jolt awake sometimes experienced when on the verge…
The sudden startled jolt awake sometimes experienced when on the verge of sleeping is known as a hypnic jerk, and is likely a vestigial reflex selected to help primates avoid falling while resting or asleep in trees.