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Did you know?

Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.

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The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

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Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
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In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

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Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

Relatively simple changes in Hox genes control limb formation in tetrapods. Relatively simple changes in Hox genes control limb formation in tetrapods.
Cholelithiasis. Common sites of gallstones in the generalized condition. (a) Stones in the hepatic d Cholelithiasis. Common sites of gallstones in the generalized condition. (a) Stones in the hepatic d
Infection prevention and control Infection prevention and control
Homeostasis and negative feedback as related to control of body temperature. Homeostasis and negative feedback as related to control of body temperature.
Sensory receptor synapses with first-order sensory neuron Sensory receptor synapses with first-order sensory neuron
Phrenology model showing areas of the head overlaying brain regions that control different traits. I Phrenology model showing areas of the head overlaying brain regions that control different traits. I
Video: Embryonic development - Week 4

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