To last so long, some trees rely on specialized and constantly active cells, grouped in specific areas called meristems. These meristems regularly renew damaged tissues, much like...
Water and oil are two liquids with very different physical properties, which explains why they don't really get along well together in cooking. Water is...
The sun emits radiation that carries thermal energy. When these rays hit a puddle of water, they increase the agitation of the molecules on the...
Fish exchange information through quick visual signals and subtle changes in movement. If one turns sharply, its neighbors immediately pick up on this impulse and...
In winter, several viruses, including those of the flu and the cold, survive longer in cold, dry air, making their spread more efficient. The cool...
Water has special properties due to the way its molecules are composed. Each water molecule acts like a tiny magnet, with one side positively charged...
The expression "roof of the world" is not a recent term: it actually comes from the Sanskrit term "Sagarmatha," which roughly means "front (or head)...
Historically, the term white dwarf dates back to the early 20th century, when astronomers discovered very small but very bright stars of white color. They...
Limestone is a sedimentary rock primarily composed of calcium carbonate, often derived from the remains of dead marine organisms accumulated on the sea floor a...
Pasteurization is a simple thermal treatment that allows, by rapidly heating milk to a temperature generally between 72°C and 85°C for a few seconds, to...
