A roundup of weekly science policy and related news.

Debate grows over whether nation could eliminate a key but dirty fuel by 2040.

New lab tools bring exotic isotopic signatures into view.

Understanding how killifish survive months without oxygen could help stroke victims.

The most powerful antiretrovirals may not reach virus lurking in some tissues.

Math whizzes left precocious geometric calculations on clay tablets by 50 B.C.E.

The quest for the world's oldest ice could yield a Rosetta Stone for how Asia responds to a changing climate.

Once viewed as tragic anomalies, many childhood cancers may have their roots in inherited mutations.

Stories of hardship and resilience take center stage in a probing portrait of the world's largest refugee camp

Mechanisms to link yield increases with conservation

Genetic data reveal how two complex bird mating systems evolved

Conservation planning must accommodate changes in ecosystem composition to protect biodiversity

Patient populations should be stratified for medications when looking for gut microbial signatures of disease

A zebrafish model allows visualization of embryonic reprogramming during melanoma initiation [Also see Research Article by Andrey et al.]

A key spliceosomal subcomplex reveals how the spliceosome assembles for activity.

Melanocytes with oncogenic or tumor suppressor mutations revert to expressing the crestin gene early in melanoma formation. [Also see Perspective by Boumahdi and Blanpain]

Protein translation from open reading frames with alternative initiation codons occurs during induction of cellular stress responses.

The Cu(111) surface decomposes into nanoclusters under CO at pressures in the Torr range at room temperature.

Sediments from hydrothermal vents may provide insight into interplay between glaciation and hydrothermal activity.

Ancient Babylonian astronomers used techniques from geometry to calculate the position of Jupiter.

Magnetic and calorimetric measurements at extremely low temperatures and magnetic fields find superconductivity in YbRh₂Si₂.

Earthquake-triggering slow-slip events occur quasi-periodically in northeast Japan.

Identical oxygen isotope composition requires homogenization after the Moon-forming giant impact.

Cylindrical fibers of uniform diameter form after simultaneous covalent and supramolecular polymerization reactions.

A specific proton pump that acidifies airway surface liquids promotes respiratory infections in cystic fibrosis.

The synthesis of the DNA base thymidylate, found in several human pathogens, uses a previously undescribed enzymatic mechanism.

Nearly every immunological T cell has the potential to give rise to memory cells.

The genes Sox9 and Eif2s3x can fully replace the mouse Y chromosome to allow generation of functional haploid sperm.

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