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Scientists and ResearchTracking Endangered Jaguars across the Border
This module offers an in-depth profile of wildlife biologist Sergio Avila and his work to...
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BiologyIndependent Assortment
The power of Mendel’s scientific approach can be seen in the research that led to...
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ChemistryThe Periodic Table of Elements I
The modern periodic table is based on Dmitri Mendeleev’s 1896 observations that chemical elements can...
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