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World War 2 reenactment (D-day). Creative decoration with toy soldiers, landing crafts and hedgehogs. Battle scene of Normandy landing on June 6, 1944. Selective focus
Human ACE2 receptor, 3D illustration. Angiotensin Converting Enzyme-Related Carboxypeptidase, a membrane protein which is used by SARS-CoV-2 virus to enter the human cells
Main isotopes of Hydrogen. Protium, Deuterium (D) and Tritium (T) are the three naturally occurring isotopes of the chemical element hydrogen. They differ in number of protons and their atomic weight.
D-Mannose is a sugar related to glucose
Two brides in white attire share a tender moment as they prepare for their wedding. The bride in the suit adjusts her partners veil.

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