The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
Did you know?
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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Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.
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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
Basic overview of energy and human life.
Fossil Fuels Energy Yield and Pollutants—Comparison
The Energy Yield of Fossil Fuels
Radiative forcing expresses change in energy input over time