Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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There are approximately 3 million unintended pregnancies in the United States each year.
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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
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Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.
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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
Analogy for How Magnetic Field Strengths Increase
Historical Climate Change "تغير المناخ التاريخي"
Tree rings as indicators of environmental change
Climate change is an important vector for human diseases
4 ways your breasts change after pregnancy "4 تغيّرات تطرأ على ثدييكِ ...