Volume 594 Issue 7862



The World Health Organization’s system should have come earlier. Now, media and policymakers need to get behind it.

doi: 10.1038/d41586-021-01508-8


Artificial intelligence can help the electronics industry to speed up chip design. But the gains must be shared equitably.

doi: 10.1038/d41586-021-01507-9



Trump’s shrinking of Utah’s Bears Ears and Grand Staircase–Escalante reserves may be reversed — ensuring archaeological and fossil treasures are preserved for study.

doi: 10.1038/d41586-021-01445-6


Researchers added 200 million DNA base pairs and 115 protein-coding genes — but they’ve yet to entirely sequence the Y chromosome.

doi: 10.1038/d41586-021-01506-w


This is the first time the National Academy of Sciences has kicked out a member for violating its amended code of conduct.

doi: 10.1038/d41586-021-01461-6


The nonsensical computer-generated articles, spotted years after the problem was first seen, could lead to a wave of retractions.

doi: 10.1038/d41586-021-01436-7


CoronaVac is one of two Chinese vaccines already sustaining vaccination campaigns in more than 70 nations. Both should soon be much more widely available to low-income countries.

doi: 10.1038/d41586-021-01497-8


From Alpha to Omega, the labelling system aims to avoid confusion and stigmatization.

doi: 10.1038/d41586-021-01483-0


doi: 10.1038/d41586-021-01426-9

News Features


doi: 10.1038/d41586-021-01505-x


doi: 10.1038/d41586-021-01511-z

News & Views


Light-induced activation of neuronal cells in the retina stimulates the formation of optic-nerve tumours in cancer-prone mice, revealing a potential role of neuronal activity in cancer initiation.

doi: 10.1038/d41586-021-01353-9


Vibrational signals from molecules can provide contrast in bioimaging techniques, but are difficult to detect. Light in a ‘squeezed’ quantum state has been used to reveal molecular vibrational signals previously obscured by noise.

doi: 10.1038/d41586-021-01514-w


Appreciation is growing of how our gut microbes shape health and disease. Now, a study of ancient human faeces sheds light on how microbial populations in the gut have changed during the past 2,000 years.

doi: 10.1038/d41586-021-01266-7


A machine-learning system has been trained to place memory blocks in microchip designs. The system beats human experts at the task, and offers the promise of better, more-rapidly produced chip designs than are currently possible.

doi: 10.1038/d41586-021-01515-9


The origin and rapid diversification of flowering plants is a long-standing “abominable mystery”, as Charles Darwin put it. Part of the puzzle – the origin of the protective covering of flowering-plant seeds – is nearing resolution.

doi: 10.1038/d41586-021-01347-7