Natural-history collections face fight for survival p.137

Regional hubs offer lifeline to museums’ precious plant and animal specimens.

doi: 10.1038/544137b

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世界の科学研究を守ることを目的とする「March for Science」への参加は、科学者が意思表示をする良い機会になるだろう。

Nature supports the March for Science p.137

Critics of the March for Science have a point. But those scientists who will protest and speak up globally for research have the chance to make a greater one.

doi: 10.1038/544137a

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出版から100年を迎えるダーシー・トムソンの「On Growth and Form(生物のかたち)」は、いまだ大きな影響力を持っている。

The 100-year-old challenge to Darwin that is still making waves in research p.138

On Growth and Form showed how physical and mathematical forces affect natural selection.

doi: 10.1038/544138a

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フェルミ研究所の次なる計画「Muon g−2実験」では未知の仮想粒子が見つかる可能性があり、期待が。

Muons’ big moment could fuel new physics p.145

Fermilab experiment to measure muon magnetic moment more precisely might reveal unknown virtual particles.

doi: 10.1038/544145a

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Mobile-phone signals bolster street-level rain forecasts p.146

Real-time analysis of wireless communications data could improve weather forecasts around the world.

doi: 10.1038/nature.2017.21799

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メダカの一種Nothobranchius furzeriの成体は、より若い個体の糞のおかげで、長生きできることが明らかに。

Fish live longer on ‘young poo’ p.147

The gut microbes of young killifish can extend the lifespans of older fish – hinting at the microbiome’s role in ageing.

doi: 10.1038/nature.2017.21770

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Immigration crackdowns damage health — even for unborn children p.148

The lasting effects of stress and fear of deportation are beginning to emerge.

doi: 10.1038/544148a

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Saturn spacecraft begins science swan-song p.149

NASA’s Cassini probe will go where no spacecraft has gone before — between a planet and its rings.

doi: 10.1038/544149a

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News Features


Antarctica’s sleeping ice giant could wake soon p.152


doi: 10.1038/544152a

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News & Views


Biological physics: Liquid crystals in living tissue p.164


doi: 10.1038/544164a

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Marine conservation: The race to fish slows down p.165


doi: 10.1038/nature21906

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Materials Science: Screen printing of 2D semiconductors p.167


doi: 10.1038/nature21908

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Biocontrol: Crown-of-thorns no more p.168

オニヒトデ(Acanthaster planci)は、サンゴ礁を破壊する。今回、オニヒトデの全ゲノム塩基配列が解読され、この生物の大発生を仲介するタンパク質の手掛かりが得られた。この情報は、サンゴの保護に役立つ可能性がある。

doi: 10.1038/nature21905

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Developmental biology: How the lizard gets its speckled scales p.170

爬虫類は計算できるのだろうか。今回、トカゲの一種であるホウセキカナヘビ(Timon lepidus)では、鱗の色とパターンが、セルオートマトンと呼ばれる規則に基づく離散計算に類似した方法で進化したことが分かった。

doi: 10.1038/544170a

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Biomedicine: Human genes lost and their functions found p.171


doi: 10.1038/544171a

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A living mesoscopic cellular automaton made of skin scales p.173

A mesoscopic cellular automaton arising from a microscopic reaction–diffusion system as a function of skin thickness is observed in ocellated lizards, showing that cellular automata are not merely abstract computational systems, but can directly correspond to processes generated by biological evolution.

doi: 10.1038/nature22031

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Aboriginal mitogenomes reveal 50,000 years of regionalism in Australia p.180

Analysis of Aboriginal Australian mitochondrial genomes shows geographic patterns and deep splits across the major haplogroups that indicate a single, rapid migration along the coasts around 49–45 ka, followed by longstanding persistence in discrete geographic areas.

doi: 10.1038/nature21416

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Mono-unsaturated fatty acids link H3K4me3 modifiers to C. elegans lifespan p.185

A deficiency in H3K4me3 methyltransferase causes accumulation of mono-unsaturated fatty acids, which is important for lifespan extension in C. elegans and could be relevant in mammals.

doi: 10.1038/nature21686

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In-crystal reaction cycle of a toluene-bound diiron hydroxylase p.191

Crystal structures and DFT calculations suggest a possible mechanism for diiron enzyme arene hydroxylation.

doi: 10.1038/nature21681

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Mediator structure and rearrangements required for holoenzyme formation p.196

Cryo-electron microscopy maps of the fission yeast Mediator complex and of a Mediator–RNA polymerase II holoenzyme reveal how changes in the Med14 subunit enable large-scale rearrangements of the Mediator structure that are essential for holoenzyme formation.

doi: 10.1038/nature21393

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Star formation inside a galactic outflow p.202

Star formation at a rate of more than 15 solar masses a year has been observed inside a massive outflow of gas from a nearby galaxy; this could also be happening inside other galactic outflows.

doi: 10.1038/nature21677

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Optically excited structural transition in atomic wires on surfaces at the quantum limit p.207

A structural transition in an atomic indium wire on a silicon substrate proceeds as fast as the indium atom vibrations and is facilitated by strong In–Si interface bonds.

doi: 10.1038/nature21432

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Topological defects in epithelia govern cell death and extrusion p.212

By modelling epithelial cells as active nematic liquid crystals, stresses induced at the sites of topological defects are found to be the primary drivers of extrusion and cell death.

doi: 10.1038/nature21718

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Finding pathways to national-scale land-sector sustainability p.217

Options for achieving multiple sustainability goals in land systems are limited, and integrated national-scale analyses are needed across the broader environment and economy to prioritize efficient sustainability interventions.

doi: 10.1038/nature21694

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Catch shares slow the race to fish p.223

A large-scale treatment–control meta-analysis of US fisheries provides evidence that the implementation of catch shares extend fishing seasons by slowing the race to fish.

doi: 10.1038/nature21728

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Evolutionary dynamics on any population structure p.227

The authors derive a condition for how natural selection chooses between two competing strategies on any graph for weak selection, elucidating which population structures promote certain behaviours, such as cooperation.

doi: 10.1038/nature21723

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The crown-of-thorns starfish genome as a guide for biocontrol of this coral reef pest OPEN p.231

Genome sequencing and proteomic analyses of the crown-of-thorns starfish identify species-specific secreted factors that are associated with aggregating starfish and might be useful for biocontrol strategies.

doi: 10.1038/nature22033

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Human knockouts and phenotypic analysis in a cohort with a high rate of consanguinity p.235

By sequencing the exomes of 10,503 individuals living in Pakistan, the authors identify rare predicted loss-of-function mutations that are estimated to knock out genes and correlate these mutations with a broad range of phenotypes, providing a framework for a human knockout project.

doi: 10.1038/nature22034

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Re-evaluation of learned information in Drosophila p.240

Depending on prediction accuracy at the time of memory recall, specific mushroom body output neurons drive different combinations of dopaminergic neurons to extinguish or reconsolidate appetitive memory in Drosophila.

doi: 10.1038/nature21716

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Myt1l safeguards neuronal identity by actively repressing many non-neuronal fates p.245

The neuron-specific transcription factor Myt1l represses many somatic lineage programs, but not the neuronal lineage program, to both induce and maintain neuronal identity.

doi: 10.1038/nature21722

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Mutual regulation of tumour vessel normalization and immunostimulatory reprogramming p.250

The cross-talk between immune cells and blood vessel endothelial cells promotes pericyte coverage and decreases hypoxia in mouse tumour models, and correlative evidence suggests that these processes influence cancer prognosis in humans.

doi: 10.1038/nature21724

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