Ammonia (NH3)—the second-most-produced chemical globally—has proven to be highly important in furthering human civilization over the centuries, both in terms of technological capabilities and ...
Epigenetic modifications such as DNA methylation play a key role in regulating gene expression. Emerging evidence suggests ...
In the 1930s, the Switzer brothers stumbled onto a way to mimic fluorescence. That led to Day-Glo, which has been making the world a brighter place ever since ...
Click to open image viewer. IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Color ...