Fracking has ignited an energy revolution, with still-uncertain consequences for climate and the environment.

Leaky gas wells loom large in debate over drilling's impact on water quality.

Energy developers and researchers alike want to find out what's living in the Marcellus Shale's deep layers of rock.

Plugging methane leaks in the urban maze could be key to making shale gas climate-friendly.

By transforming methane, chemist Roy Periana aims to turn natural gas into cheap feedstocks for chemical firms.

A roundup of weekly science policy and related news.

Negotiations with university spark opposition from biomedical institute's scientists.

“Zero knowledge” tests could let inspectors identify a nuclear weapon without learning the secrets of its design.

Proposal to remove captive dolphins draws fire.

Tracking the house sparrow's spread in Africa yields secrets of these invaders—a taste for novel foods, for example.

Archaeologists are rediscovering the ancient Maritime Silk Road, which once powered more East-West commerce than the famed Central Asian land route.

The humble glass bead has become a tool to trace the migration of ancient goods and peoples around the Indian Ocean.

A listing of books received at Science during the week ending 20 June 2014.

Genetic monitoring can help public agencies implement environmental laws

How does the human brain reason when to change strategies? [Also see Research Article by Donoso et al.]

Integration of a plethora of genomic and biochemical data enables large-scale prediction of cellular functions

Manipulating metabolism could control angiogenesis

Structural studies suggest a route to improve the performance of rechargeable batteries. [Also see Research Article by Liu et al.]

Advances in activated sludge sewage treatment can improve its energy use and resource recovery

How do moths and other insects find their way to food sources in the presence of other odors? [Also see Report by Riffell et al.]

A great biologist made fundamental discoveries and conceived a selectionist theory of the brain

X-ray diffraction reveals that metastable solid solution reactions undergird the high-rate capability of LiFePO₄ electrodes. [Also see Perspective by Owen and Hector]

Human reasoning combines inferential and creative processes. [Also see Perspective by Hare]

A very sensitive force-measuring technique uses ultracold rubidium atoms in an optical cavity as a mechanical oscillator.

Circularly polarized light is used to induce valley-specific transport in a monolayer of molybdenum disulfide.

Local density of points is ranked and analyzed to categorize data.

Flash melting of lead in the core of a nanotube enables close tracking of nanometer-scale fluid dynamics.

Isotopic analysis of methane indicates the timing and location of hydrocarbon gas formation in natural settings.

Animal reefs from 550 million years ago suggest a complex ecosystem before the Cambrian explosion.

Lassa virus entry in susceptible species involves a pH-dependent switch to a second receptor within the lysosome.

During membrane fission, molecular motors are provided with a local energy source.

Moths find flowers by building an odor map in their antennal lobes. [Also see Perspective by Szyszka]

Epistasis makes fitness trajectories unpredictable in yeast, even as they converge upon the same biological pathway.

Multiple divergent fish lineages have used the same evolutionary toolkit to produce electric organs.

On this week's show: Following the pollen path and a roundup of stories from our daily news site.

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