Did you know?
The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.
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.
Did you know?
According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.
The more air and fuel that can be packed in a cylinder, the greater the density of the air–fuel ...
On some vehicles equipped with an airflow sensor, a switch is used to energize the fuel pump. In ...
Interdependence of the Major Organs in Vertebrate Fuel Metabolism
A model of the 70S ribosome based upon early structural data
Milankovitch cycles interact over time
The Hfr chromosome time-of-entry map is assembled from the recombinant data