Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.
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Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.
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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
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Vaccines prevent between 2.5 and 4 million deaths every year.
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Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.
Sections of a Research Report
Chemistry Questions
Chemistry Inquiry Questions (gr.11)
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Research Methods
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