Did you know?
During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).
Did you know?
Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.
Examples of the results of sexual selection, a type of natural selection.
A vasectomy, showing how each vas deferens is tied off in two places and then a section is removed f
When parents actively support higher education, their children achieve more in their future careers.
In a gear-type oil pump, the oil flows through the pump around the outside of each gear. This is an ...
Comparison of E-type Climates
The components of the wild-type lac operon