IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This chart was used in the National ...
On May 27, 1961, Heinrich Matthaei, a postdoc working with NIH scientist Marshal Nirenberg, placed synthetic polyuracil RNA into 20 test tubes to see what it would produce. Each tube contained ...
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20% of Modern Human Genetic Heritage Is Thought to Have Been Inherited From a Mysterious Ancestral Population
New research has revealed an incredible discovery: modern humans carry 20% of their genetic material from a mysterious population that split from our ancestors 1.5 million years ago. This study ...
The Indigenous peoples of the Bolivian highlands are survivors. For thousands of years they have lived at altitudes of more than two miles, where oxygen is about 35 percent lower than at sea level.
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