Eusocial means truly social. Applied to the condition, or to the group possessing it, in which individuals display all of the following three traits: 1) cooperation in caring for the young; 2) reproductive division of labor, with more of less sterile individuals working on behalf of reproductive individuals; 3) and overlap of at least twoRead More
Evolutionary biologist Edward O. Wilson passed away on December 26, 2021. Wilson was a distinguished evolutionary biologist, prolific author, teacher, myrmecologist, Pulitzer Prize winner, and a champion of biodiversity. He was known for his pioneering work in entomology, and was recognized as a synthesizer of knowledge from diverse fields. E. O. Wilson pioneered two scientificRead More
The science of rocks, concerned with the study of their history, composition, and structure. The observation of thin slices of rocks under a microscope is one of the most important of petrographic technologies.
1.8 billion miles from the Sun, the first of the ice giants, blue Uranus orbits, encircled by faint rings. Unlike every other planet in the solar system, Uranus rotates sideways, like a wheel rolling along its orbit. Uranus is named after the Greek God of the sky, and it is the only planet named directlyRead More
Crystal System refers to each of seven categories of crystals (cubic, tetragonal, orthorhombic, trigonal, hexagonal, monoclinic, and triclinic) classified according to the possible relations of the crystal axes.