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Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

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Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

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Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.

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Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

Pacific hagfish at 150 meters depth, California, Cordell Bank National Marine Sanctuary. Pacific hagfish at 150 meters depth, California, Cordell Bank National Marine Sanctuary.
Channel Cross-Sectional Area Channel Cross-Sectional Area
Mirror Neurons in Broca’s Area Mirror Neurons in Broca’s Area
How to find the derivatives of trigonometric functions using the chain rule (Part 2) How to find the derivatives of trigonometric functions using the chain rule (Part 2)
How to use right endpoints to find an expression showing the area of a function How to use right endpoints to find an expression showing the area of a function
A container in the shape of a right circular cylinder with no top has surface area square feet. A container in the shape of a right circular cylinder with no top has surface area square feet.
Video: Burn Animation

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