世界の移民に関する統計データには不正確なものが多く、実態の把握を難しくしている。
Data on movements of refugees and migrants are flawed p.5
Accurate and timely information on the flow of people is crucial for policymaking and apolitical interpretations.
doi: 10.1038/543005b
Accurate and timely information on the flow of people is crucial for policymaking and apolitical interpretations.
doi: 10.1038/543005b
The Clean Water Rule is under threat — but it is grounded in science and should be strengthened, not repeal.
doi: 10.1038/543005a
After 40 years, 2000 AD deserves to be known for more than Judge Dredd.
doi: 10.1038/543006a
Authorities and researchers ramp up their efforts to tackle the invasive fall armyworm.
doi: 10.1038/nature.2017.21527
3D reconstructions show a 'crown of thorns' shape stemming from a region linked to consciousness.
doi: 10.1038/nature.2017.21539
World Health Organization publishes list that it hopes will focus development of antibiotics.
doi: 10.1038/nature.2017.21550
Signals have progressed from astronomical peculiarity to mainstream research area.
doi: 10.1038/543016a
Lawsuits in India and Argentina seek to reduce drug costs by allowing generic versions of antiviral treatments.
doi: 10.1038/543017a
An international group offers guidance to help reduce pain and suffering in animals destined for culling.
doi: 10.1038/nature.2017.21536
世界の人々の動きを科学的に追う。
doi: 10.1038/543021a
故郷から逃れた人々は、どこに流れて行くのだろうか。
doi: 10.1038/543022a
国を追われた科学者は、たとえ職を見つけたとしても、さまざまな困難に直面する。
doi: 10.1038/543024a
歯のエナメル質の構造を模倣した優れた複合材料が作られた。今回の成果によって、新しい複合材料や、その特性を正確に予測する計算方法を探究できるようになる。
doi: 10.1038/543042a
多くの臓器の表面は、上皮細胞の保護層で覆われている。今回、こうした層が細胞伸展によって維持されていることが明らかになった。細胞伸展が、力を感知するイオンチャネルタンパク質Piezo1を介して細胞分裂を生じさせるのである。
doi: 10.1038/nature21502
岩石は、沈み込んで埋没するにつれて、より高い圧力を受ける。今回、一般的な考えに反して、沈み込んだ岩石に記録されたピーク圧力が、最大埋没深度を反映していない可能性が示唆された。
doi: 10.1038/543044a
加齢とともに、動脈内で炎症を起こしたコレステロールプラークが破れることによる心疾患の発症リスクが高まる。今回、こうしたリスクの一部が、白血球をがん化させる遺伝子変異によるものである可能性が明らかになった。
doi: 10.1038/nature21505
超固体は、60年以上にわたって探し求められてきた逆説的で捉えどころのない物質状態である。今回、2つの実験によって、超固体の特徴的な痕跡が極低温量子物質で観測された。
doi: 10.1038/543047a
T細胞と呼ばれる免疫細胞は、腫瘍細胞を殺すことができるが、臨床用途には複雑な調整が必要で、その有効性は時間とともに失われることがある。今回開発された新しい方法によって、T細胞を用いた治療の効率が改善される可能性が出てきた。
doi: 10.1038/nature21506
今回、微生物によるメタン生成における補酵素の生合成が解明され、クロロフィル、ヘム、ビタミンB12を含む化合物群の生合成経路について完全な理解が得られた。
doi: 10.1038/nature21507
doi: 10.1038/nature21058
Perhaps the earliest known signs of life have been found in Quebec, where features such as haematite tubes suggest that filamentous microbes lived around hydrothermal vents at least 3,770 million years ago.
doi: 10.1038/nature21377
The genomes of 102 primary pancreatic neuroendocrine tumours have been sequenced, revealing mutations in genes with functions such as chromatin remodelling, DNA damage repair, mTOR activation and telomere maintenance, and a greater-than-expected contribution from germ line mutations.
doi: 10.1038/nature21063
Intragenic DNA methylation, dependent on Dnmt3b, protects the gene body from spurious entry of RNA Polymerase II and aberrant transcription initiation events.
doi: 10.1038/nature21373
The enzymes and pathway involved in the biosynthesis of coenzyme F430 are identified, completing our understanding of how members of the cyclic modified tetrapyrrole family are constructed.
doi: 10.1038/nature21427
X-ray detection of an ultrafast outflow of gas is strongly linked with energy emission from the inner accretion disk of a black hole, suggesting that X-rays ionize the outflowing disk wind.
doi: 10.1038/nature21385
A supersolid with continuous translational symmetry breaking along one direction is realized by symmetrically coupling a Bose–Einstein condensate to the modes of two optical cavities.
doi: 10.1038/nature21067
Spin–orbit coupling in Bose–Einstein condensates creates a density modulation, which is a stripe phase with supersolid properties.
doi: 10.1038/nature21431
Nanometre-scale columnar structures in tooth enamel inspire novel nanocomposites containing layers of vertically aligned nanowires, produced by layer-by-layer fabrication and combining high values of both storage modulus and energy dissipation.
doi: 10.1038/nature21410
Melting experiments with liquid Fe–Si–O alloy at the pressure of the Earth’s core reveal that the crystallization of silicon dioxide leads to core convection and a dynamo.
doi: 10.1038/nature21367
Neurons that project from the prefrontal cortex to either the nucleus accumbens or paraventricular thalamus receive different inputs, differentially encode reward-predictive cues, and have opposing effects on reward seeking during cue presentation.
doi: 10.1038/nature21376
Complement-activating glycosylceramide-specific autoantibodies drive a self-propagating cycle of glycosylceramide accumulation and inflammation in Gaucher disease.
doi: 10.1038/nature21368
Introducing chimeric antigen receptors into the endogenous T-cell receptor locus reduces tonic signalling, averts accelerated T-cell differentiation and delays T-cell exhaustion, leading to enhanced function and anti-tumour efficacy compared to random integrations.
doi: 10.1038/nature21405
The stretch-activated channel Piezo1 controls homeostatic epithelial cell numbers by activating cells to divide rapidly when under stretch strain from low density, and by activating cells to extrude and die when cells are under crowding strain.
doi: 10.1038/nature21407
Circular extrachromosomal DNA is found in nearly half of human cancers of a wide variety of histologic types, increasing the copy number of driver oncogenes and intratumoral heterogeneity more effectively than chromosomal amplification and contributing to tumor evolution.
doi: 10.1038/nature21356
Uniparental disomy in fission yeast is triggered by aberrant expression of gametogenic genes in vegetative cells, and is associated with the activation of meiotic cohesin Rec8 in cells with defects in the RNA interference machinery.
doi: 10.1038/nature21372
A new approach, time-resolved serial femtosecond crystallography, is used to view the intermediate states of a photosystem complex following illumination, shedding light on proton transfer and O=O bond formation.
doi: 10.1038/nature21400