Phosphorus is an essential element for life. Forms of it are found in DNA, RNA, and all living cell membranes. It is the sixth most abundant element in any living organism. Phosphorus can also be highly poisonous and combustible (white phosphorus is used in many destructive weapons, such as napalm). It was also the first element discovered since ancient times. The person who made this discovery was Hennig Brand in 1669, who did so while he was playing around with large amounts of human urine. Read more…
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How One Man’s Love of Urine Led to the Discovery of Phosphorus
Facebook updated its Graph Search feature today to include posts and status updates. Now, you can find posts your friends have made about certain topics, from specific locations, or that you’ve commented on. Check out Facebook’s full blog post for more info, as well as our favorite clever uses for Graph Search . Read more… 