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Did you know?
Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
Did you know?
There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).
Did you know?
There are more bacteria in your mouth than there are people in the world.
Did you know?
Your heart beats over 36 million times a year.
Did you know?
Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.
![(a) Initial mtDNA results suggested modern humans and Neadertals were equally distantly related to D](https://biology-forums.com/gallery/47/medium_273287_22_02_15_10_29_18_208031613.jpeg)
![Booker T. Washington in his office at Tuskegee Institute, 1900. Washington chose a policy of accommo](https://biology-forums.com/gallery/47/medium_376716_26_08_15_11_16_35_224441889.jpeg)