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WHY do people talk in their sleep?

Sleep talking is a common sleep disorder and, according to some researchers, occurs in 50% of young children. Sleep talking in adults occurs in about…

WHY do people snore in their sleep?

All muscles relax during sleep. If the lumen of the pharynx was originally narrowed, then the relaxed walls of the upper airways, sagging, touch each…

WHY do calculators start at the bottom and the phone starts at the top?

The calculator is the successor of cash registers and mechanical counting machines. That's why the numbers on the calculator from zero to nine ar…

WHY shouldn't unwashed dishes be left overnight?

The thing is that the remains of food, which are certainly present on the dishes, overnight react with each other, begins the process of rotting. All…

WHY do baby teeth fall out?

One important function of deciduous teeth is that they "point" to the molar teeth where they will erupt. If a baby tooth falls out prematur…

WHY is blood taken from the ring finger?

The fingertips are easily accessible, hairless, rich in blood vessels, easy to disinfect, and even squeeze if necessary. The skin on the ring finger …

WHY is one of the proteins in the human eye named after Pikachu?

In 2008, Japanese scientists from the Osaka Institute of Biological Sciences discovered a protein playing a crucial role in transmitting signals betw…

WHY do we shiver when cold?

Shivering is the body's defensive response to a drop in body temperature. When the temperature drops, biochemical reactions slow down, and the lo…

Why Babies have around 100 more bones than adults?

Babies have about 300 bones at birth, with cartilage between many of them. This extra flexibility helps them pass through the birth canal and also al…