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Author Question: Mrs. Novotny uses Excel to track her students' grades. The first students' quiz scores are stored in ... (Read 161 times) |
The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.
Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.
The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.