Science looks ahead to 2014 with predictions about likely milestones and newsmakers around the world.

U.S. physicists want to completely rebuild the particle accelerator that drives the Advanced Photon Source, a more radical—and disruptive—upgrade than originally planned.

Congress has once again allowed a popular tax break that encourages U.S. companies to invest in research to expire.

Scientists have embraced the free academic search service Google Scholar. But its citation metric can be gamed.

Environmentalists and industry groups are lining up to fight over a draft rule that would protect isolated wetlands and other waters.

A Mexican company's bid to sell pit viper antivenom in the United States has met with a legal challenge from the firm that now holds a monopoly on the U.S. market.

An international network of agricultural research centers has achieved the ambitious goal of doubling its budget in 5 years, to $1 billion.

The great stone monuments of prehistoric Britain, including Stonehenge, were born in a wave of innovation that apparently began on a remote Scottish island.

Studies offer new insight into the great monument's ritual purpose and meaning.

The authors explore how social scientists in Cold War United States recrafted reason to a simplified, rule-based technology for making choices in an uncertain world.

The exhibition showcases works produced during artist residencies at six health research centers around the globe.

A listing of books received at Science during the week ending 27 December 2013.

Social scientists should adopt higher transparency standards to improve the quality and credibility of research.

Only two genes on the Y chromosome are needed to produce a male gamete.

A common nitrogen building block used in many natural product and drug syntheses can now be made in its unprotected form in a single step.

A detailed observation of a nearby gamma-ray burst should provide a clearer understanding in the process of the death of massive stars.

Interactions with pest species may help to explain the high plant species diversity in tropical forests.

Multiwavelength data from an extremely bright stellar explosion provide details of the physics of these violent events.

Multiwavelength data from an extremely bright stellar explosion provide details of the physics of these violent events.

Multiwavelength data from an extremely bright stellar explosion provide details of the physics of these violent events.

Multiwavelength data from an extremely bright stellar explosion provide details of the physics of these violent events.

Photoluminescence and transport measurements indicate the formation of a classically correlated phase of excitons.

A computational imaging method based on photon timing enables three-dimensional imaging under low light flux conditions.

A route to triangular carbon-nitrogen rings avoids placement of a hard-to-remove protecting group on the nitrogen precursor.

Infiltrating a metal-organic framework with a conjugated organic molecule creates an air-stable conducting film.

Live offspring can be obtained from male mice in which the Y chromosome contribution is limited to only two genes.

Tumor cells become resistant to targeted therapies by eliminating the gene encoding the drug target from extrachromosomal DNA.

In vivo cross-linking of histones reveals the phosphorylation and deacetylation events required for chromatin condensation.

Genome-editing technology allows improved positive or negative selection screens.

Genome-editing technology allows improved positive or negative selection screens.

A type of DNA repair protects replication-stressed cancer cells, leading to signatures of cancer genomic instability.

A particular class of neurons regulates female fish mating preference based on social familiarity.

The universal precursor of steroid hormones acts as a negative allosteric modulator of cannabinoid receptors.

This week’s show focuses on the great stone monuments of prehistoric Britain and includes a roundup of shorts from our daily news site.

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