The average office desk has 400 times more bacteria on it than a toilet.
Did you know?
The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
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Your heart beats over 36 million times a year.
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Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.
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Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.
A soil surface crust that includes nitrogen-fixing, soil-enriching cyanobacteria.
Granite: a Common Rock in Continental Crust
Basin and Range Province—Crust Extended
Composition of Continental Crust
Erosion and Resulting Isostatic Adjustment of the Crust
Distribution of Crust Remaining from Archean and Proterozoic