Did you know?
This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
Did you know?
The horizontal fraction bar was introduced by the Arabs.
Did you know?
Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.
Did you know?
The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.
Did you know?
Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.
Moiré Pattern
How to find the tangential and normal components of a vector
Overall View of the Theater, Epidauros "منظر عام لمسرح، إبيدورس"
Male pattern baldness
The Female Reproductive Cycle "الدورة الشهرية أو الدورة الطمثية ...
Solve Diophantus’s Problem B–8: To find two numbers such that their difference a