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Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

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Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

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Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

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The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

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The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

The biological process of nitrogen fixation The biological process of nitrogen fixation
The three-way catalytic converter first separates the NOX into nitrogen and oxygen and then ... The three-way catalytic converter first separates the NOX into nitrogen and oxygen and then ...
Carbon dioxide: The anthropogenic greenhouse gas of primary concern Carbon dioxide: The anthropogenic greenhouse gas of primary concern
Carbon dioxide (~390ppm) Carbon dioxide (~390ppm)
Vegetables are a low-saturated-fat topping for pizza Vegetables are a low-saturated-fat topping for pizza
Estimates of carbon stored in the plants and soils of different ecosystems. Estimates of carbon stored in the plants and soils of different ecosystems.
Video: Digestive chemicals - types & enzymes

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