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Quantum information cannot be copied, posing challenges for long-distance communication due to signal losses. Here the quantum relay architecture using a single-photon source enhances the signal-to-noise ratio of quantum information transmission.

The antiangiogenic agent apatinib has been shown to clinically improve responses to immune checkpoint inhibitors in several cancer types. Here the authors report the results of a phase II clinical trial of camrelizumab (anti-PD1) and apatinib plus induction chemotherapy and concurrent chemoradiotherapy in stage N3 nasopharyngeal carcinoma.

The purification of ethylene is an industrially relevant process. Here, the authors report the one-step separation of ethylene from quaternary gas mixtures of hydrocarbons and CO₂ using a single metal–organic framework-based physisorbent.

Decoy-state quantum key distribution from a satellite to a ground station is achieved with much greater efficiency than is possible over the same distance using optical fibres.

An all-photonic quantum repeater is demonstrated by manipulating state-of-the-art 12-photon interferometry. The enhancement of entanglement-generation rate compared with parallel entanglement swapping proves the feasibility of the concept.

Atoms in optical lattices are interesting for quantum technologies but engineering entanglement between atom pairs is difficult. Using the double-well potentials of a superlattice, the generation and detection of entanglement is more straightforward.

A quantum microsatellite, with a payload weighing only 23 kilograms, in combination with portable ground stations that weigh merely 100 kilograms, is capable of performing space-to-ground real-time quantum key distribution.

Separation of multi-component mixtures is an extremely difficult task. Pore integration strategy offers an approach for assembling ordered pores with specific functions on demand to achieve the one-step separation of multi-component complex mixtures.

The entanglement of three remote quantum memories based on ⁸⁷Rb atoms is created via three-photon interference by enhancing the memory–photon entanglement in ring cavities, demonstrating a genuine quantum network involving more than two quantum nodes.

A violation of bilocal inequality is demonstrated with two truly independent light sources delivering entanglements to three nodes. To this end, the locality, measurement independence and quantum source independence loopholes are closed simultaneously.

A metropolitan-area quantum network based on the generation of pairwise entanglement is formed by three atomic quantum memories connected to a central photonic server.

Although ammonia synthesis represents a major chemical industry, developing highly effective non-iron catalysts is a challenging task. Now it has been shown that anchoring fullerene onto non-iron transition metals separates and activates catalytic sites for hydrogen and nitrogen intermediates, boosting ammonia synthesis rates.

A field test of twin-field quantum key distribution was implemented through a 511 km optical fibre. To this end, precise wavelength control of remote independent laser sources and fast time- and phase-compensation systems are developed.

The first field test of quantum teleportation is implemented over a 30 km optical fibre network with independent quantum light sources. To establish a robust quantum teleportation system in the real world, several feedback mechanisms are developed.

Dual-comb spectroscopy with time–frequency dissemination and high-power frequency combs enables sensing CO₂ and H₂O over a 113 km turbulent open-air path, with a sensing precision as high as 2 parts per million of CO₂.

C₂H₄ is one of the most important chemical raw materials. Here, the authors report that tuning of pore structure shifts the multi-component gas separation function, enabling one-step production of high-purity C₂H₄ in the quaternary mixture.

Due to high rate of metastasis, lymphadenectomy is a cornerstone of the surgical treatment of gastric cancer however the accurate dissection of lymph nodes (LN) can be challenging. Here, the authors present the long-term outcomes of a randomised control trial investigating indocyanine green fluorescence image-guided LN retrieval in gastric cancer patients undergoing laparoscopic gastrectomy.

Quantum teleportation of single-photon qubits from a ground observatory to a satellite in low-Earth orbit via an uplink channel is achieved with a fidelity that is well above the classical limit.

Researchers demonstrate free-space quantum teleportation through 16 kilometres of air. The results may pave the way for space-based experiments and global scale quantum communication applications.

Quantum teleportation of independent qubits and entanglement distribution have been demonstrated over free-space channels of about 100 kilometres, representing an important step towards a global quantum network.

Researchers report the preparation and storage of frequency-uncorrelated narrowband (5 MHz) entangled photons from a cavity-enhanced spontaneous parametric downconversion source. Electromagnetically induced transparency was implemented using ultraviolet pump pulses, and the violation of Bell's inequality was clearly observed for storage times of up to 200 ns.

Systems for automatic detection of a single disease may miss other important conditions. Here, the authors show a deep learning platform can detect 39 common retinal diseases and conditions.

By using 1 W optical frequency combs and nanowatt-level linear optical sampling modules, a time–frequency dissemination over a free-space link of 113 km is achieved with a stability of less than 4 × 10⁻¹⁹ at 10,000 s.

A quantum network that combines 700 fibre and two ground-to-satellite links achieves quantum key distribution between more than 150 users over a combined distance of 4,600 kilometres.

An efficient entanglement-based quantum key distribution is sent from the Micius satellite to two ground observatories 1,120 kilometres apart to establish secure quantum cryptography for the exchange of quantum keys.

A quantum key distribution with a key rate of 115.8 Mb s^–1 is demonstrated over 10 km standard optical fibre. To this end, a high-speed and stable system, an integrated transmitter for low error modulation and multipixel superconducting nanowire single-photon detectors are developed.

Full-scale verifications for establishing quantum cryptography communication via satellites are reported. Three independent experiments using a hot-air balloon are performed: on a rapidly moving platform over a distance of 40 km, on a floating platform over a distance of 20 km, and over 96 km in air with a huge loss.

Li Dong Wang and colleagues report a genome wide association study for esophageal squamous cell carcinoma in the Chinese population. They identify two risk loci at PLCE1 and C20orf54.

Dongxin Lin, Philip Taylor, Li-Dong Wang and colleagues have now pooled three genome-wide association analyses of esophageal squamous cell carcinoma, finding two new risk loci at genome-wide significance and an HLA class II locus of significance in high-risk populations. They reanalyze the strength of evidence for previously published risk loci.