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Science, History, and Ideas That Shaped the Modern World

In-depth essays exploring science, technology, mathematics, and culture — from the Industrial Revolution to the unanswered questions of today.

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Digital Library Archives

Protein Folding and Function

Reading Time: < 1 minuteAs the amino acid chain grows, it folds into a three-dimensional (3-D) structure, which depends on both the chemical nature and order of the different amino acids. The 3-D structure determines the function of the protein. When there is a change in one or more amino acids, then the ability of the protein to function […]

October 30, 2025 < 1 min read
Digital Library Archives

JOHN ERICSSON (1803–1889)

Reading Time: 5 minutesBy Martha J. Lamb John Ericsson. In a message, referring to the relations of our country with the several nations of Europe, President Harrison said: “The restoration of the remains of John Ericsson to Sweden afforded a gratifying occasion to honor the memory of the great inventor, to whose genius our country owes so much, […]

October 30, 2025 5 min read