Did you know?
After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
Did you know?
Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.
Did you know?
The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.
Did you know?
Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.
Did you know?
Vaccines prevent between 2.5 and 4 million deaths every year.
A typical large tool box, showing just one of many drawers.
A typical fire extinguisher designed to be used on class A, B, or C fires.
A typical accelerator pedal position (APP) sensor, showing two different output voltage signals ...
Typical laboratory emergency shower.
A typical Dam
The genome of a typical retrovirus is shown at the top of the diagram