The word “chivalry” comes from the French cheval, which can be translated as "horse soldiery", but later in the 14th century it became associated with knightly ideals.
Sharks don't have bones. They are a special type of fish known as "elasmobranchs", which translates into fish made of cartilaginous tissues. Even though sharks don't have bones, they still can fossilize. As most sharks age, they deposit calcium salts
Hi my first time posting here. Did you know that on May 6, 2021, some tardigrades (better known as water bears) were sent to the International Space Station to see how they adapted To microgravity
Surfactants in car wash soap reduce water’s surface tension, which lets the soapy water spread evenly over your car’s surface—lifting and suspending dirt, creating foam that clings and cleans.
