The human body has an internal clock called the circadian rhythm, which determines periods of alertness and rest. In the morning, typically between 6 a.m. and 9...
It was Baron Pierre de Coubertin who conceived the Olympic rings in 1913. This symbol was first used at the Olympic Congress in 1914 and...
Some athletes feel enormous pressure to succeed at all costs. In high-level sports, they are not only expected to participate but to win. Their coach, their team,...
In the rain, some athletes benefit from a mechanical advantage, particularly thanks to an adapted stride. Running on a wet track naturally requires more precise...
Most conventional sunscreens contain chemicals that are very harmful to marine life. Among them, oxybenzone and octinoxate are particularly toxic to coral reefs: they disrupt...
Chlorine, quite useful for cleaning pool water, is unfortunately strong enough to damage your hair. Over time, it can make them dry, brittle, and dull. Wearing a...
At sea, there is often wind, engine noises, and waves, making it difficult to be heard. Maritime flags (or code flags) provide a simple and...
Marine animals, such as small fish or various shrimp, often maintain a close relationship with corals. This exchange, called symbiosis, is a true give-and-take: the...
