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Health effects of sunlight exposure. Exposing skin to the ultraviolet radiation in sunlight has both positive and negative health effects. On the positive side, exposure allows for the synthesis of vitamin D 3. Vitamin D has been suggested as having a wide range of positive health effects, which include strengthening bones [ 1] and possibly ...
The Weimar Republic, [d] officially known as the German Reich, [e] was a historical period of Germany from 9 November 1918 to 23 March 1933, during which it was a constitutional federal republic for the first time in history; hence it is also referred to, and unofficially proclaimed itself, as the German Republic.
Health threats from cosmic rays are the dangers posed by cosmic rays to astronauts on interplanetary missions or any missions that venture through the Van-Allen Belts or outside the Earth's magnetosphere. [ 1][ 2] They are one of the greatest barriers standing in the way of plans for interplanetary travel by crewed spacecraft, [ 3][ 4][ 5] but ...
If you ask experts at medical centers how often a child is born so noticeably atypical in terms of genitalia that a specialist in sex differentiation is called in, the number comes out to about 1 in 1,500 to 1 in 2,000 births [0.07–0.05%]. But a lot more people than that are born with subtler forms of sex anatomy variations, some of which won ...
The shortest is "Buffalo!", which can be taken as a verbal imperative instruction to bully someone ("[You,] buffalo!") with the implied subject "you" removed, [4]: 99–100, 104 or, as a noun exclamation, expressing e.g. that a buffalo has been sighted, or as an adjectival exclamation, e.g. as a response to the question, "where are you from?"
In American presidential elections, each state is free to decide the method by which its electors to the Electoral College will be chosen. To increase its voting power in the Electoral College system, every state, with the exceptions of Maine and Nebraska, has adopted a winner-take-all system, where the candidate who wins the most popular votes in a state wins all of that state's electoral ...
Johnston creates a star by first tracing the new star on the wall using a template. Each star measures 2¼ inches tall by 2¼ inches wide and half an inch deep; all the stars are six inches apart from each other, as are all the rows. Johnston uses both a pneumatic air hammer and a chisel to carve out the traced pattern. After he finishes ...
The truth is, most things aren't actually all that bad for you if you take them in moderation. Prepare to rejoice and check out the round-up gallery above for 10 supposedly bad things that are ...