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Did you know?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

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It is difficult to obtain enough calcium without consuming milk or other dairy foods.

Did you know?

The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Negative control of a repressible set of genes: function of the trp repressor and corepressor in reg Negative control of a repressible set of genes: function of the trp repressor and corepressor in reg
Large-scale impacts of the (a) positive, and (b) negative phases of the North Atlantic Oscillation. Large-scale impacts of the (a) positive, and (b) negative phases of the North Atlantic Oscillation.
coagulase negative Staphylococcus on Blood agar coagulase negative Staphylococcus on Blood agar
Learning without Reinforcement (1 of 2) Learning without Reinforcement (1 of 2)
Negative feedback control of the female reproductive hormones. Negative feedback control of the female reproductive hormones.
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Video: Chemical Messengers Animation

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