REM sleep is that famous phase where we dream intensely. During this period, the brain is hyperactive, almost as much as during the day: it...
As they age, some foods become more acidic because microorganisms transform the sugars they contain into organic acids. This phenomenon, known as fermentation, is carried...
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...
Our body naturally follows an internal clock, also known as a circadian rhythm. This mechanism regulates the alternation between wakefulness and sleep over approximately 24...
When you listen to your music too loudly, your ears undergo an auditory shock: the hair cells located in your inner ear, somewhat like tiny...
The human brain has specific groups of neurons, called mirror neurons, that activate both when we perform an action and when we see someone else...
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...
When you sleep, your brain is far from resting; it's seriously working on your memories. In fact, while you snooze, especially during the deep sleep...
The Black Death, also known as bubonic plague, was one of the most devastating pandemics in human history. Its origin dates back to the 14th...
Muscle cramps are sudden and involuntary muscle contractions that can be very painful. They usually occur during or after intense physical activity, but can also...
