Science and Nature

Leaf traits are distributed in proportion to area; relationships between leaf traits are independent of leaf mass and area.

Authors: Jeanne L. D. Osnas, Jeremy W. Lichstein, Peter B. Reich, Stephen W. Pacala

A region of the lateral plate mesoderm gives rise to the cardiac pacemaker cell lineage prior to the onset of heart formation.

Authors: Michael Bressan, Gary Liu, Takashi Mikawa

Stable inheritance of a symbiotic bacterium suppresses malaria parasites in mosquitoes.

Authors: Guowu Bian, Deepak Joshi, Yuemei Dong, Peng Lu, Guoli Zhou, Xiaoling Pan, Yao Xu, George Dimopoulos, Zhiyong Xi

An algorithm predicts the neutralization specificity of sera from HIV-infected individuals. [Also see Perspective by Crowe]

Authors: Ivelin S. Georgiev, Nicole A. Doria-Rose, Tongqing Zhou, Young Do Kwon, Ryan P. Staupe, Stephanie Moquin, Gwo-Yu Chuang, Mark K. Louder, Stephen D. Schmidt, Han R. Altae-Tran, Robert T. Bailer, Krisha McKee, Martha Nason, Sijy O’Dell, Gilad Ofek, Marie Pancera, Sanjay Srivatsan, Lawrence Shapiro, Mark Connors, Stephen A. Migueles, Lynn Morris, Yoshiaki Nishimura, Malcolm A. Martin, John R. Mascola, Peter D. Kwong

Over time, the brains and behaviors of inbred mice diversify. [Also see Perspective by Bergmann and Frisén]

Authors: Julia Freund, Andreas M. Brandmaier, Lars Lewejohann, Imke Kirste, Mareike Kritzler, Antonio Krüger, Norbert Sachser, Ulman Lindenberger, Gerd Kempermann

Inhibitory synapses can control individual dendritic spines independently from their neighbors.

Authors: Chiayu Q. Chiu, Gyorgy Lur, Thomas M. Morse, Nicholas T. Carnevale, Graham C. R. Ellis-Davies, Michael J. Higley

Author: Alan Dove

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

Listen to stories on markets and morality, origins for cirrus clouds, capturing an asteroid, and more.

Authors: Lynne Turnbull, Edward M. Campbell, Nick Thomas

The team operating NASA's Curiosity Mars rover has selected a second target rock for drilling and sampling.

Two prominent aerospace industry organizations are recognizing the contributions of NASA, especially the achievements of the team that landed NASA's Curiosity rover on Mars in August, with coveted awards.

Researchers have begun taking infrared pictures of planets posing near their stars in family portraits.

Scientists identify a substance in honey that helps bee bodies fight poisons

Distinctive personalities in mice related to brain development

Ratio of hydrogen to deuterium suggests a common source

Pliocene epoch featured greenhouse gas levels similar to today's but with higher average temperatures

After thousands of tries, lab gets parasite-carrying insect to catch Wolbachia

E. coli moving between systems may cause urinary tract infections

Despite proponents' claims, memory workout may not improve intelligence, multitasking