A roundup of weekly science policy and related news.

With elephant tusks harder to obtain, the "jade of the sea" is the new ivory in China.

Many researchers worry about a loss of funds and influence, but some say the fears are overblown.

Researchers have plenty of ideas for the vice president's bid to boost collaboration and improve treatments.

Takeover disrupts what observers call a model public-private restoration effort.

Study of recent Ph.D.s at eight Midwestern universities demonstrates value of the new science of science policy.

Experiment aims to show whether forgoing patents and freeing up data can boost neuroscience research.

A new giant planet, still unseen, appears to be shaping the orbits of objects beyond Neptune.

A naturalist takes a round-the-world romp through the plants that have helped shape human history

A new exhibition explores how we remember, record, and recover from trauma

Access to schools achieves only so much if quality is poor

Framing genome editing policy requires setting thresholds of acceptability

The optical losses usually associated with plasmonic materials could be used in applications

Materials with a fabric-like microstructure are highly elastic [Also see Report by Liu et al.]

Broader optical frequency combs on a photonic chip can help refine time standards [Also see Report by Brasch et al.]

Brain microvasculature is a scaffold for neuroglial migration [Also see Report by Tsai et al.]

The discovery of bacteria that can oxidize both ammonia and nitrite upends a long-held dogma

Interstellar extreme scattering events are identified in real time with radio observations.

A broadband and coherent frequency comb is generated with an optical microresonator. [Also see Perspective by Akhmediev and Devine]

Nitrogen-doped graphite is used to identify the location and specific bonding of active catalyst sites.

A metal-organic framework templates the synthesis of a material made of woven organic polymers. [Also see Perspective by Gutierrez-Puebla]

Nanoparticles can channel photoexcitation to surface molecules to instigate spin-state-dependent chemistry in solution.

New geochemical proxies for MgO track the chemistry and evolution of Earth's continental crust over 4 billion years.

Prairie voles console their family members after stressful events.

Cells that migrate far and wide through the developing brain follow blood vessels to find their way. [Also see Perspective by Dejana and Beltsholtz]

Cycles of programmed cell death establish the developmental clock in plant roots.

A large international data set confirms that increased diversity of wild pollinators increases crop yields.

Abundant transfer RNA fragments in maturing mammalian sperm regulate expression of endogenous retroelements in the embryo.

Fragments of transfer RNA in sperm serve as paternal epigenetic factors linked to diet-induced metabolic problems in their offspring.

Gene editing via CRISPR-Cas9 restores dystrophin protein and improves muscle function in mouse models of muscular dystrophy.

Gene editing via CRISPR-Cas9 restores dystrophin protein and improves muscle function in mouse models of muscular dystrophy.

Gene editing via CRISPR-Cas9 restores dystrophin protein and improves muscle function in mouse models of muscular dystrophy.

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