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During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).
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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
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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.
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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
Mechanoreceptors in the lateral line system that detect changes in water movement.
This Black-browed Albatross has been hooked on a long-line.
Abiogenesis Experiment
An Example of an Electrical Stimulation Experiment
Time Line for Evolution of the Universe
Griffith’s transformation experiment