- Grade 11 and 12 Mathematics (Moderator: geoffrey)
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Author Question: You want to arrange 12 of your favorite CDs along a shelf. How many different ways can you arrange ... (Read 42 times) |
- Grade 11 and 12 Mathematics (Moderator: geoffrey)
Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.
There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.
Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
On average, the stomach produces 2 L of hydrochloric acid per day.