Clathrates are characterized by a complex cage structure that provides space for guest ions too. Now, for the first time, a ...

Can the shape of a crystal really change how well it performs in clean energy technology? A new study says yes—decisively.

Edna Lewis gathers ingredients in the garden behind Ellerslie Plantation west of Charlottesville, Virginia, 1975. John T. Hill Some children are obsessed with soldiers, dinosaurs, princesses.

A PaO2 test measures partial pressure of oxygen, or PaO2—the oxygen pressure in arterial blood. The PaO2 reflects how well oxygen is able to move from the lungs to the blood. It is often altered by ...

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