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Did you know?
Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.
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?
More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.
Did you know?
There are more nerve cells in one human brain than there are stars in the Milky Way.
Did you know?
As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.
![Jane Goodall first observed Gombe chimpanzees chewing leaves, then dipping the chewed-up “wadge” int](https://biology-forums.com/gallery/47/medium_269691_26_01_15_5_55_25_204421789.jpeg)
![In early industrialization, children worked alongside adults. They worked 12 hours a day Monday to ...](https://biology-forums.com/gallery/27/medium_660366_13_04_17_6_20_49_27692552.png)