p.149

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

p.150

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

p.157

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

p.158

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

p.159

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

p.160

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

p.161

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

p.162

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

doi: 10.1038/d41586-021-01483-0

p.163

doi: 10.1038/d41586-021-01426-9

p.164

doi: 10.1038/d41586-021-01505-x

p.168

doi: 10.1038/d41586-021-01511-z

p.179

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

p.180

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

p.182

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

p.183

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

p.185

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

p.187

doi: 10.1038/s41586-021-03545-9

p.191

doi: 10.1038/s41586-021-03537-9

p.195

doi: 10.1038/s41586-021-03521-3

p.201

doi: 10.1038/s41586-021-03528-w

p.207

doi: 10.1038/s41586-021-03544-w

p.213

doi: 10.1038/s41586-021-03509-z

p.217

doi: 10.1038/s41586-021-03567-3

p.223

doi: 10.1038/s41586-021-03598-w

p.227

doi: 10.1038/s41586-021-03535-x

p.234

doi: 10.1038/s41586-021-03532-0

p.240

doi: 10.1038/s41586-021-03610-3

p.246

doi: 10.1038/s41586-021-03493-4

p.253

doi: 10.1038/s41586-021-03530-2

p.259

doi: 10.1038/s41586-021-03553-9

p.265

doi: 10.1038/s41586-021-03583-3

p.271

doi: 10.1038/s41586-021-03562-8

p.277

doi: 10.1038/s41586-021-03580-6

p.283

doi: 10.1038/s41586-021-03538-8