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Did you know?

Asthma cases in Americans are about 75% higher today than they were in 1980.

Did you know?

Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

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More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

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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.

Traditional animal phylogeny based on body plans. Traditional animal phylogeny based on body plans.
Phylogeny based on the FIT2 gene Phylogeny based on the FIT2 gene
Teaching methods based on patients developmental capacity Teaching methods based on patients developmental capacity
Household Income in the United States by Quintiles, 2009 Household Income in the United States by Quintiles, 2009
For a particular cell based on the reaction:3 AgCl(s) + Al(s) → 3 Ag(s) + Al3+(aq) + 3 ... For a particular cell based on the reaction:3 AgCl(s) + Al(s) → 3 Ag(s) + Al3+(aq) + 3 ...
questions based questions based
Video: Darwin's Observation (Fossils, Galapagos Islands & Africa ) and Natural Selection (Adaptive Traits)

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