Sleep is essential for the recovery and repair of the body. During deep slow-wave sleep, the body promotes the growth and repair of tissues, muscles, and bones....
When we stress, our body secretes more hormones like cortisol. It causes our sebaceous glands (the ones that naturally produce sebum) to go into overdrive...
The Black Death, which mainly came from Central Asia, spread quickly due to the intensity of trade exchanges. Merchant ships unwittingly transported infected rats, whose...
In the time of Catherine de Medici, wearing gloves was clearly an outward sign of wealth and a way to show who was in charge. For her,...
When you hear a crackling sound in your joints, it may be due to the formation of gas bubbles. These bubbles are actually carbon dioxide...
At night, many human activities decrease: car traffic, various kinds of work, and industries pause. As a result, there are far fewer background noises to...
Long-term exposure to high volume can damage the hair cells of the inner ear, responsible for converting sound vibrations into electrical signals that are sent...
Several scientific studies have explored the possible mechanisms behind the contagiousness of yawning. Among these mechanisms is the hypothesis of mirror neurons. These neurons, present...
When the mosquito lands on your skin, it punctures its proboscis to suck your blood. During the process, it injects saliva, which contains anticoagulant and...
Lack of sleep has a significant impact on memory consolidation. During sleep, the brain consolidates the information learned during the day. Lack of sleep disrupts...
