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General anesthetics affect cellular proteins to knock us out. Some do so better than others, especially the noble gas Xenon. (Shutterstock)

Science lesson: How anesthetics work, and why xenon’s perfect

How do anesthetics work, and what makes for an ideal anesthetic? It's not as mysterious as once believed, and there's a gas that ticks all the boxes for a perfect anesthetic: xenon.
Element 117 is unofficially named ununseptium which is Latin for 117. Flickr/Larry

Something new and superheavy at the periodic table

The hunt for long-lived superheavy elements has taken another leap forward now we’ve confirmed the existence of Element 117, also known as ununseptium. It was first seen briefly by a team of US and Russian…

Heat flows at an atomic level

A single layer of atoms can be used to enhance or restrict heat flow between materials. The finding comes as researchers…

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