|
|
HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.
Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.
Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.
In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.
![The role of Hox genes 9–13 in specifying limb formation from the proximal to distal](https://biology-forums.com/gallery/47/medium_33_24_07_11_10_22_01.jpeg)
![In addition to common schools, thousands of female seminaries were built between 1820 and 1850, many](https://biology-forums.com/gallery/47/medium_375348_18_08_15_9_36_30_223031090.jpeg)