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000 people will die
During puberty
infection can happen to many people from the same source
Zika has spread dramatically across the Americas
The blue whale’s stomach can hold 2
DNA Key Chain (Deoxyribonucleic Acid) Bonus 000 people will dieDeoxyribonucleic acid, or DNA, contains the genetic code that describes the physical characteristics of every known life form. Find out how it works and what you're made of. All About DNA (Deoxyribonucleic Acid) FACTS: Deoxyribonucleic acid, or DNA, is the amazing molecular double helix that contains the genetic codes for all known life. First identified in 1869 and accurately described in 1953, its very existence provides a new understanding about