A roundup of weekly science policy and related news.

Researchers describe artifacts that could have misled authors and prompted sensational reprogramming claims.

Fossils show that ancient fish scales sported enamel long before this hard substance coated teeth.

Panel's plan would allow anyone living in the United States to join million-strong effort.

Land creation and dredging in the South China Sea come at the expense of corals and fisheries.

Steve Kay and Peter Schultz aim to focus basic science powerhouse on translational medicine.

NSF's ambitious network of observatories runs into harsh budget and management realities.

A unique urban site is disassembled after a tragedy.

A large organization has trouble retaining talented scientists.

The history of autism and what it means for the future.

Making informed decisions in the age of genomic medicine.

A listing of books received at Science during the week ending 18 September 2015.

New data from Sudan question an influential approach to reducing female genital cutting

Individual climate events cannot be attributed to anthropogenic climate change

A transcription factor's abundance connects autophagy to cellular senescence and a secretory phenotype [Also see Research Article by Kang et al.]

Could different nuclear DNA-mitochondrial DNA combinations affect disease severity?

Trapped atoms can mimic the nature of edge currents in quantum Hall systems [Also see Reports by Mancini et al. and Stuhl et al.]

Flow batteries offer low-cost electricity storage for grid-scale renewable power sources [Also see Report by Lin et al.]

Single-molecule experiments and simulations show how molecular interactions can direct protein folding by slowing diffusion.

The transcription factor GATA4 promotes cell senescence. [Also see Perspective by Cassidy and Narita]

Analogs of quantum-Hall-effect edge states are observed with fermionic ytterbium-173 atoms in a synthetic lattice. [Also see Perspective by Celi and Tarruell]

Skipping orbits of neutral bosonic rubidium-87 atoms are imaged after an artificial magnetic field is induced in a synthetic lattice. [Also see Perspective by Celi and Tarruell]

Several inorganic-organic perovskite materials grown as atomically thin crystals exhibit strong photoluminescence.

A lack of observed variations in the timing of pulsars places constraints on the detection of gravitational waves.

The pairing of two enzymes offers an environmentally benign protocol for the conversion of alcohols to amines.

A flow battery is designed with low-toxicity, Earth-abundant materials. [Also see Perspective by Perry]

Hydrogen bonding confers site selectivity in a carbon-carbon bond-forming reaction between alcohols and olefins.

Deglacial ocean flushing events injected extra carbon dioxide into the atmosphere.

Warming summers shorten bees' tongues and disrupt well-established mutualisms between bees and plants.

A biochemical analysis reveals how the main protein entry gate of mitochondria imports preproteins.

A retrotransposon finds its integration sites by binding to a specific protein at a DNA replication fork barrier.

On this week's show: 3-parent gene therapy to treat mitochondrial diseases and a roundup of daily news stories.

A weekly roundup of information on newly offered instrumentation, apparatus, and laboratory materials of potential interest to researchers.