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 ...

He has supported Russia’s war against Ukraine with ammunition and troops, and in return gained food, fuel, technology and the ...

Weekly edition of The Economist for Sep 27th 2025. You've seen the news, now discover the story.

O NE THING is clear about the announcement on September 22nd that Nvidia may invest up to $100bn in Open AI in order to help ...

Britain is not alone in trying to find a place to bury its nuclear waste. Several other European countries are seeking a rural community willing to host what experts call a geological disposal ...

By Tawada Yoko. Translated by Margaret Mitsutani. New Directions; 224 pages; $16.95. To be published in Britain by Granta in ...

Dieskau was born 100 years ago in May, Pavarotti would have been 90 in October—with concerts and re-releases of their ...

One is that SKAI ISYOURGOD—the wordy stage name of Chen Xukai, a rapper from Huizhou— raps in Chinese. Chinese music has ...