The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
Did you know?
Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
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Cyanide works by making the human body unable to use oxygen.
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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.
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Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.
Close-up of the underside of a gecko's foot as it walks on vertical glass
iron
Glass pedestrian bridge in Zhangjiajie’s Grand Canyon, China
Thermal Layers of the Atmosphere
Breakfast cereals rich in iron, vitamin D and vitamin B-12
which of the given compounds has the lowest wavenumber for its carbonyl absorption?