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Did you know?

Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

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Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

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The average office desk has 400 times more bacteria on it than a toilet.

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In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

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A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

Effects of introduced parasites on American chestnut trees. Effects of introduced parasites on American chestnut trees.
Male Asiatic Lion after a recent fight Male Asiatic Lion after a recent fight
American soldiers—some of them regulars in deep blue uniforms, others in buckskin cowboy outfits— fi American soldiers—some of them regulars in deep blue uniforms, others in buckskin cowboy outfits— fi
“Fight or Flight” Response “Fight or Flight” Response
The enthalpy change for converting 10.0 g of ice at -25.0 C to water at 80.0 C is ________ kJ. ... The enthalpy change for converting 10.0 g of ice at -25.0 C to water at 80.0 C is ________ kJ. ...
Fight-or-Flight System Fight-or-Flight System
Video: Ciliate conjugation Animation

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