Contents
Vol 348, Issue 6239
Contents
This Week in Science
Editorial
Editors' Choice
Podcasts
- Science Podcast: 5 June Show
On this week's show: friction at the atomic level, recreating the acoustics of historical spaces, and a roundup of daily news stories.
Products & Materials
- New Products
A weekly roundup of information on newly offered instrumentation, apparatus, and laboratory materials of potential interest to researchers.
In Brief
In Depth
- Lost and found: Earth's missing heat
A reanalysis of surface temperatures suggests there never was a global warming hiatus.
- Russian foundation tarred with ‘foreign’ label
Founder may pull plug on private research funder.
- Did good genes help people outlast brutal Leningrad siege?
Study hints at more efficient metabolism in survivors.
- Hawaii's governor proposes telescope swap
Thirty Meter Telescope can move forward, but existing instruments must be culled.
- Polar scientists to peer beneath largest ice shelf
Seafloor map would offer clues to the fate of Antarctica's Ross Ice Shelf.
Feature
- Making contact
Some of the last isolated tribes are emerging from Peru's rainforests.
- The poisoned necklace
In the 1950s, a visit by a single outsider sickened a band of tribespeople.
- Mercy on these people, and give us a road
Will a road through the rainforest bring prosperity or disaster?
- How to court an isolated tribe
"Attractions fronts" lured isolated tribes into contact in the past century, often with disastrous results.
Working Life
Letters
Books et al.
- Understanding our origins
How a long tradition of exceptionalism distorted our perception of human evolution.
- Irrational actors
Embracing the mystifying choices that flummox the field of economics
Policy Forum
- Challenges of a lowered U.S. ozone standard
Source attribution science can help areas of the U.S. west
Perspectives
- Invisible barriers to dispersal
Physiological properties constrain future range expansions of marine organisms
- Slippery when dry
Stiff nanodiamond particles encapsulated in graphene can substantially reduce friction for water-free macroscopic surfaces
- Controlling friction atom by atom
A cold-atom system is used to probe atomic friction on the scale of single atoms
- The rise of the social algorithm
Does content curation by Facebook introduce ideological bias?
- Centrioles, in absentia
What is the link between centrioles and cell proliferation?
- Progeria accelerates adult stem cell aging
Diseases resembling premature aging model naturally aging mesenchymal stem cells
- Exceptional epigenetics in the brain
Non-CG DNA methylation modulates gene expression in the adult brain
Research Articles
- Comprehensive serological profiling of human populations using a synthetic human virome
A complete history of viral exposure over a lifetime can be deduced from a drop of blood.
- Targeting DnaN for tuberculosis therapy using novel griselimycins
A griselimycin-derived drug that blocks the DNA polymerase sliding clamp is a potent anti-tuberculosis lead.
Retraction
Reports
- Magnetoelectric domain control in multiferroic TbMnO3
Second harmonic generation microscopy visualizes the evolution of ferroelectric domains under an external magnetic field.
- Tuning friction atom-by-atom in an ion-crystal simulator
An array of 174Yb+ ions moving in the potential of an optical lattice simulates friction.
- Macroscale superlubricity enabled by graphene nanoscroll formation
Nanodiamonds wrapped with graphene sheets lead to ultralow friction against a diamondlike carbon surface.
- Rational synthesis of organic thin films with exceptional long-range structural integrity
Tripodal triptycene building blocks that fill space form large-area organic thin films free of domain boundaries.
- Rapid nitrous oxide cycling in the suboxic ocean
Nitrous oxide undergoes rapid biological cycling in the ocean’s oxygen minimum zones.
- Exposure to ideologically diverse news and opinion on Facebook
Despite the diversity of information available, people still pay attention to a limited range of opinions.
- Climate change tightens a metabolic constraint on marine habitats
Warming waters and reduced O2 will contract fish distributions poleward.
- Limited scope for latitudinal extension of reef corals
Solar irradiation during winter constrains how far coral reefs can spread sideways despite ocean warming.
- Genomic signatures of evolutionary transitions from solitary to group living
Social evolution in bees has followed diverse genomic paths but shares genomic patterns.
- Error-prone chromosome-mediated spindle assembly favors chromosome segregation defects in human oocytes
Studies using isolated human oocytes reveal details of human meiosis.
- 2.2 Å resolution cryo-EM structure of β-galactosidase in complex with a cell-permeant inhibitor
Advances in electron microscopy allow protein structure determination at resolutions useful in drug discovery.
- C9ORF72 repeat expansions in mice cause TDP-43 pathology, neuronal loss, and behavioral deficits
A mouse model mimics the pathological and behavioral abnormalities seen in certain amyotrophic lateral sclerosis or frontotemporal dementia patients.
- Reversible centriole depletion with an inhibitor of Polo-like kinase 4
An “organelle knockout” strategy reveals that cancer cells but not normal cells can divide in the absence of centrosomes.
- A Werner syndrome stem cell model unveils heterochromatin alterations as a driver of human aging
Stabilization of heterochromatin by WRN protein safeguards human mesenchymal stem cells from aging.
Technical Comments
From the AAAS Office of Publishing and Member Services
