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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?
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.
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Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.
Did you know?
The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.
![Scaling the Earth down to the size of a basketball, the Moon is roughly the size of a tennis ball. T](https://biology-forums.com/gallery/47/medium_12359_23_01_13_7_13_34.png)
![In 2008, Barack Obama was elected president of the United States, the first minority to achieve this ...](https://biology-forums.com/gallery/27/medium_660366_14_04_17_2_21_29_278002492.png)