In science news around the world, the National Park Service decides not to introduce mainland wolves to rescue the declining wolf population on Lake Superior's Isle Royale, Japanese researchers plan to resume controversial whaling in 2015, Australia's Antarctic research program faces budget cuts, and more.

Molecular biologist Feng Zhang wins the National Science Foundation's Alan T. Waterman Award for young researchers, President Barack Obama nominates White House budget office director Sylvia Mathews Burwell to replace outgoing Health and Human Services head Kathleen Sebelius, physicist Stuart Parkin wins the 2014 Millennium Technology Prize, and more.

The winners of the Science, Play and Research Kit Competition reimagine the childhood chemistry set—on a microfluidic chip.

Soaring cost estimates are jeopardizing the U.S. contribution to ITER, the massive international fusion energy project.

A chimeric mouse with a humanized liver offers a novel window into drug toxicity.

Researchers have harnessed the chemical degradation of fossil DNA to determine methylation patterns that may reveal which genes were turned on, or off, in ancient human species.

The latest Intergovernmental Panel on Climate Change report, on mitigating emissions, finds a few glimmers of hope amid gloomy projections.

A new find from NASA's Kepler orbiting observatory is the first Earth-sized planet to be detected in the habitable zone of a star.

Jennifer Francis has made waves linking the melting Arctic to extreme weather around the world. But a storm of criticism has forced the climate scientist to defend her hypothesis.

Howe considers how researchers, environmentalists, and the public have interpreted and responded to the problem of global warming.

A listing of books received at Science during the week ending 11 April 2014.

Quasi-experimental evidence is needed on the relations between human health and airborne particulate matter.

Alternative methods of identification should be used to avoid collection of voucher specimens of threatened or rediscovered species.

To take advantage of the properties of graphene in biomedical applications, well-defined materials need to be matched with intended applications.

Stable at high temperatures, refractory plasmonic materials could boost existing optoelectronic technologies.

Unusual features of myelin in the mammalian cerebral cortex permit more complex forms of network integration. [Also see Report by Tomassy et al.]

Although global biodiversity is declining, local ecosystems are not systematically losing diversity, but rather experiencing rapid turnover in species. [Also see Report by Dornelas et al.]

The ability of plant cell immune sensors to combine in different pairs could expand the host's defense against pathogens. [Also see Report by Williams et al.]

Young flies need their sleep, too.

A white dwarf that eclipses a Sun-like star enhances, rather than dims, its brightness through relativistic effects.

NASA’s Kepler mission revealed that the fifth and outermost planet orbiting Kepler-186 is capable of hosting liquid water.

An elusive symmetry is predicted to emerge at the boundary of an exotic condensed matter system.

An apparatus that can apply both tensile and compressive strain is used to study an unconventional superconductor.

Wafer-scale single-crystal monolayer graphene can be repeatedly grown on a hydrogen-terminated germanium (110) surface.

Atomically thin nanoporous graphene membranes can sustain ultimate permeation in mass transport.

The tropospheric production of HONO from a light-dependent gas-phase source raises questions about its impact on OH.

Ecological communities are experiencing changes in species composition rather than unidirectional loss. [Also see Perspective by Pandolfi and Lovelock]

A heterodimer stands at the ready; a homodimer responds with action. [Also see Perspective by Nishimura and Dangl]

The structure of a mammalian claudin suggests how extracellular domains may form paracellular ion pathways.

A pseudoknot in a flavivirus RNA resists efforts by a host nuclease to untangle it.

A long noncoding RNA regulates dendritic cell differentiation and function.

Intensifying pathogenic changes paradoxically ameliorate depressive symptoms in mice.

Mouse neurons display different and distinctive patterns of myelination. [Also see Perspective by Fields]

On this week's show: observation of a distinctive binary-star system that includes a white dwarf 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.