On September 25th Donald Trump signed an executive order allowing the app to continue operating in America, on the basis that ...

T hree covers in one issue is a mountain of work. When the news is compelling, the temptation is to hold back important, but less urgent, insights for a quieter time. Yet that comes at the cost of our ...

So, what is Mr Urban’s best tank of all time? He plumps for the Centurion. It was the tank that helped to save Israel during ...

Light-emitting diode (LED) face masks are all the rage. Depending on the colour you choose, manufacturers promise they will ...

O VERNIGHT SUCCESS”, a thumping 1980s pop song, blared as Takaichi Sanae stepped up to the podium to announce her candidacy to lead Japan’s ruling Liberal Democratic Party ( LDP ). The music choice ...

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Not Donald Trump. That years-long government probe—concerning his 2016 presidential campaign’s contacts with Russians—was a crucible for the president. In his mind it was a deep-state conspiracy to ...

These chains come in a wide range of lengths. In humans a typical protein is about 400 amino acids long; some are a lot longer. Molecules of RNA, one of the two nucleic acids, can reach up to 100,000 ...

They derive their energy from differences in the concentration of hydrogen ions across some of these membranes ...

Planets are not living organisms and, like molecules, do not have to be biological. But at least one is deeply biological in ...

Life cycles require the creation of an autonomous individual, that individual’s growth and that individual’s reproduction In ...

The biological study of species offers no equivalent to such transmutation. An individual which belongs to a given species ...