|
|
Did you know?
Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.
Did you know?
This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
Did you know?
Approximately 500,000 babies are born each year in the United States to teenage mothers.
Did you know?
Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
Did you know?
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.
![Children in Baltimore (1909) pull the stringy parts from beans in preparation for canning. Photograp](https://biology-forums.com/gallery/47/medium_376716_26_08_15_11_19_26_224511187.jpeg)
![(Left panel) The transition level (TL) for moving out of the parental home for 240 young men and ...](https://biology-forums.com/gallery/47/medium_660365_23_12_16_3_52_07_243661518.jpeg)