Natural selection has driven certain orchids to take on the appearance of insects to better attract their pollinators. These orchids, unable to produce nectar, must...
The Gulf Stream originates in the warm waters of the Gulf of Mexico, where the sun shines brightly and warms the sea. Driven mainly by...
Natural hot springs primarily occur when rainwater or meltwater seeps into the ground, descends deep, and then heats up in contact with areas of geothermal...
When light touches a crystal, certain electrons absorb specific colors (certain wavelengths, that is). They capture the light energy and jump to a higher level, entering an...
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...
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...
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...