Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
Did you know?
The average adult has about 21 square feet of skin.
Did you know?
In 1864, the first barbiturate (barbituric acid) was synthesized.
Did you know?
About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.
Did you know?
Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.
DNA Is a Double Helix
Fatty liver disease and cirrhosis of the liver.
Summary of Bonds and their Properties
Sandwich or capture enzyme immunoassay for patient IgM (double capture: IgM capture, Ag capture).
The carbon cycle "دورة الكربون"
The DNA double helix as proposed by Watson and Crick