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Did you know?

More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

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Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

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Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

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Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

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

History of the number of observed sunspots during the last 250 years, which shows the ~11-year solar History of the number of observed sunspots during the last 250 years, which shows the ~11-year solar
The vehicle identification number (VIN) is visible through the base of the windshield and on a ... The vehicle identification number (VIN) is visible through the base of the windshield and on a ...
The Location and Number of Farms in the United States, 2012 The Location and Number of Farms in the United States, 2012
The Location and Number of Food- and Beverage-Processing Facilities The Location and Number of Food- and Beverage-Processing Facilities
What mass of sulfur hexafluoride, SF6, has the same number of fluorine atoms as 25.0 g of ... What mass of sulfur hexafluoride, SF6, has the same number of fluorine atoms as 25.0 g of ...
The minimum number of moles of oxygen needed to completely consume 4 moles of C3H8O is ... The minimum number of moles of oxygen needed to completely consume 4 moles of C3H8O is ...
Video: Protein Secondary and Tertiary Structures - Animation

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