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"This reaction should be observed in the upper atmosphere of Mars." Scientists have discovered a new way oxygen can form in carbon-dioxide-rich atmospheres of worlds beyond our own ...

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 ...

Before them stood a silvery metal contraption swathed in colourful wires – a box that they hope will one day make oxygen on the moon. Once the team vacated the sphere, the experiment began.

Ion transport is the movement of ions across a membrane, passively through ion channels or actively through ion pumps such as symporters and antiporters. Iron and manganese are essential nutrients ...

Ion channels are integral membrane protein assemblies that modulate the flow of ions into and out of a cell or organelle, leading to generation of electrical signals. Opening (gating) of ion ...

Looking for new ways to get students reading and responding to nonfiction? Try these exercises for discussion, writing and speaking. By Peggy Dimock Lead poisoning can cause lower I.Q.s ...

Hefei National Research Center for Physical Sciences at Microscale, Department of Chemical Physics, University of Science and Technology of China, Hefei 230026, China ...

Silicon-carbon (Si-C) batteries are said to transform electronic gadgets and the automobile industry significantly with their clear advantages over lithium-ion batteries which powered almost all ...

With the school holidays ending today, members of Sydney's Jewish community are feeling concerned amid the recent wave of antisemitism-related incidents across the city.