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Did you know?

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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The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.

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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.

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It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

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After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

Water and salt regulation by isosmotic, hyperosmotic, and hypoosmotic aquatic organisms. Water and salt regulation by isosmotic, hyperosmotic, and hypoosmotic aquatic organisms.
Water potentials decrease (become more negative) as one moves from soil to plant to atmosphere Water potentials decrease (become more negative) as one moves from soil to plant to atmosphere
Plains zebra are highly dependent on water. Plains zebra are highly dependent on water.
Water-Soluble Vitamins for Treating Nutritional Disorders Water-Soluble Vitamins for Treating Nutritional Disorders
A demonstration engine showing the amount of water that can be circulated through the cooling ... A demonstration engine showing the amount of water that can be circulated through the cooling ...
Water-conserving structures in a transverse section of pincushion leaf (Hakea laurina) Water-conserving structures in a transverse section of pincushion leaf (Hakea laurina)
Video: Attention Deficit Disorder (ADD)

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