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Did you know?
There are more bacteria in your mouth than there are people in the world.
Did you know?
It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.
Did you know?
Vaccines prevent between 2.5 and 4 million deaths every year.
Did you know?
Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.
Did you know?
On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.