p.539

Funding pledges from China and other countries need to be given in grants — which must include research grants — and not as a reward for taking out loans.

doi: 10.1038/d41586-021-02891-y

p.540

The coronavirus crisis has halted decades of progress on TB. But the speed of COVID vaccines shows there can still be hope for advances against neglected diseases.

doi: 10.1038/d41586-021-02892-x

p.547

The Mexican government has accused 31 scientists and officials of organized crime and money laundering — allegations that they deny and that many claim are politically motivated.

doi: 10.1038/d41586-021-02816-9

p.549

But decades-long mystery of how long the particles live persists.

doi: 10.1038/d41586-021-02812-z

p.550

Genetic analysis shows that the ancestors of all modern horses lived in the Western Eurasian steppes more than 4,000 years ago.

doi: 10.1038/d41586-021-02858-z

p.551

Poll shows that 80% of respondents are more concerned in the run-up to the COP26 climate meeting than they were ahead of the Paris conference 6 years ago.

doi: 10.1038/d41586-021-02862-3

p.552

Companies are updating vaccines and testing them on people to prepare for whatever comes next in the pandemic.

doi: 10.1038/d41586-021-02854-3

p.553

doi: 10.1038/d41586-021-02885-w

p.554

doi: 10.1038/d41586-021-02903-x

p.558

doi: 10.1038/d41586-021-02904-w

p.567

An inventory of the world’s solar-panel installations has been produced with the help of machine learning, revealing many more than had previously been recorded. The results will inform efforts to meet global targets for solar-energy use.

doi: 10.1038/d41586-021-02875-y

p.568

Release of opioid peptide in the brain leads food-deprived mice to eat more sugar than do mice that are well fed. This opioid signalling mechanism fine-tunes the reward value of food according to the animal’s state.

doi: 10.1038/d41586-021-02723-z

p.570

Key nutrients that are needed by immune cells are scarce in tumours. Engineered cancer-invading bacteria can recycle tumour waste into metabolic fuel to boost anticancer immune responses in mice.

doi: 10.1038/d41586-021-02639-8

p.571

A device that generates exotic fluids of particles at equilibrium conditions and high temperatures could have applications ranging from low-loss electrical cables to memory storage.

doi: 10.1038/d41586-021-02876-x

p.573

Neurons that express a specific molecular marker are activated by ‘electroacupuncture’ stimulation. They can then mediate the treatment’s anti-inflammatory effects in a mouse model of the inflammatory condition sepsis.

doi: 10.1038/d41586-021-02714-0

p.575

doi: 10.1038/s41586-021-03804-9

p.580

doi: 10.1038/s41586-021-03912-6

p.585

doi: 10.1038/s41586-021-03947-9

p.590

doi: 10.1038/s41586-021-03885-6

p.597

doi: 10.1038/s41586-021-03980-8

p.604

doi: 10.1038/s41586-021-03957-7

p.611

doi: 10.1038/s41586-021-03900-w

p.618

doi: 10.1038/s41586-021-03896-3

p.624

doi: 10.1038/s41586-021-03958-6

p.629

doi: 10.1038/s41586-021-03798-4

p.634

doi: 10.1038/s41586-021-04018-9

p.641

doi: 10.1038/s41586-021-04001-4

p.646

doi: 10.1038/s41586-021-04013-0

p.652

doi: 10.1038/s41586-021-03968-4

p.657

doi: 10.1038/s41586-021-03973-7

p.662

doi: 10.1038/s41586-021-04003-2

p.667

doi: 10.1038/s41586-021-03985-3

p.672

doi: 10.1038/s41586-021-03963-9

p.677

doi: 10.1038/s41586-021-03909-1

p.682

doi: 10.1038/s41586-021-03994-2

p.688

doi: 10.1038/s41586-021-03924-2