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Did you know?

Women are 50% to 75% more likely than men to experience an adverse drug reaction.

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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

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Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

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The human body produces and destroys 15 million blood cells every second.

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Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Human sex chromosomes Human sex chromosomes
A map of the 12 tomato chromosomes A map of the 12 tomato chromosomes
A well-folded letter fits easily into the envelope and is easily removed by the person who receives ... A well-folded letter fits easily into the envelope and is easily removed by the person who receives ...
(left) Urine sample from an unaffected person does not change color upon exposure to air. (right) Ur (left) Urine sample from an unaffected person does not change color upon exposure to air. (right) Ur
Ball-and-stick models of A=T and G≡C base pairs Ball-and-stick models of A=T and G≡C base pairs
Synteny between human and mouse chromosomes Synteny between human and mouse chromosomes
Video: Lipid digestion - mouth, stomach and small intestine

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