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Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

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In 1864, the first barbiturate (barbituric acid) was synthesized.

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Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.

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Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.

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About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

Primary, secondary, and tertiary endosymbiosis. Primary, secondary, and tertiary endosymbiosis.
Injecting an IV push (bolus) medication; B, into a primary infusion line Injecting an IV push (bolus) medication; B, into a primary infusion line
Damage to the Insula and Smoking Cessation Damage to the Insula and Smoking Cessation
Horizontal, sagittal, and coronal functional MRIs show areas of increased activity in the primary ... Horizontal, sagittal, and coronal functional MRIs show areas of increased activity in the primary ...
The thymus, a primary lymphoid organ where T cells mature. The thymus, a primary lymphoid organ where T cells mature.
Human of the planet's net primary production and appropriation of NPP Human of the planet's net primary production and appropriation of NPP
Video: Contraction and Relaxation Animation

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