Vaccines prevent between 2.5 and 4 million deaths every year.
Did you know?
It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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?
The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.
Did you know?
Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.
An adult wolf and cub at Mysore Zoo
Adult figeater beetle's maxillary galea
Theory of Endosymbiosis
Maimed Child due to Thalidomide
Studying the genetic roots of mating and bonding behavior