John P. Grotzinger
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Listen to stories on the genome of a transmissible tumor, an update from Opportunity on Mars, and more.
A weekly roundup of information on newly offered instrumentation, apparatus, and laboratory materials of potential interest to researchers.
In science news around the world, the comet-chasing European spacecraft Rosetta awakens from its 2.5-year nap, the U.S. Environmental Protection Agency estimates environmental damage from the proposed Pebble Mine in Alaska, and more.
Geophysicist Peter Molnar receives the Royal Swedish Academy of Sciences' Crafoord Prize in Geosciences, psychologists James McClelland and Elizabeth Spelke are honored with the U.S. National Academy of Sciences' inaugural Prize in Psychological and Cognitive Sciences, and statistical geneticist Joseph Terwilliger describes his experience touring North Korea with Dennis Rodman.
Bored with the adult-dominated world of scientific editors and review panels, neuroscientist Robert Knight of the University of California, Berkeley, created Frontiers for Young Minds—a journal that enlists editors between the ages of 8 and 18 to evaluate kid-friendly articles written by neuroscientists.
Genetic findings from research volunteers who die present a conundrum, and there's debate over how to handle that information.
The 2014 budget suggests that the National Institutes of Health is losing its place as first among equals when Congress has additional money to spend on research.
Researchers on both sides of a nanoscience dispute are claiming that recently published papers settle the debate in their favor, and one is charging his opponents with cyberbullying.
A California advocacy group, Consumer Watchdog, is arguing in a top U.S. appeals court that stem cells isolated by James Thomson should never have been patented.
As violence in Syria escalates and the regime increasingly targets academics, an international effort to support Syria's beleaguered scholars with visas, fellowships, and guest appointments is gaining momentum.
Michael Skinner's claim that chemicals can cause changes to gene expression that persist across multiple generations of animals has stirred excitement—and outrage.
Paleontologists fear that a growing commercial fossil industry is swallowing up U.S. fossils and the data they hold.
Nordhaus offers an economic perspective of the challenges and possible responses to anthropogenic climate change.
Eggers portrays a world—in which an omnipotent social networking company encourages everyone to monitor everybody everywhere—that feels eerily everyday.
Donors should have access to raw data derived from their contributions to research or clinical repositories to increase personal choice and reciprocity.
Visualization of mRNA dynamics in live neurons reveals its release from granules at synapses during neuronal plasticity. [Also see Reports by Buxbaum et al. and Park et al.]
The sequence of a transmissible cancer provides a snapshot of a dog from the distant past. [Also see Report by Murchison et al.]
Spectroscopic data begin to elucidate the initial steps in the biosynthesis of the hydrogenase active site. [Also see Report by Kuchenreuther et al.]
Advances in satellite observations and model development are needed to disentangle the complex interactions of aerosols and clouds and their effects on climate.
The compound eyes of mantis shrimps see color in a fundamentally different way from other animals. [Also see Report by Thoen et al.]
Combining surface- and bulk-sensitive experimental probes may help to solve the complexity underlying high-temperature superconductivity. [Also see Reports by Comin et al. and da Silva Neto et al.]
A cytosolic protein that senses fragments of HIV-1 DNA triggers the death of uninfected CD4 T cells. [Also see Report by Monroe et al.]
Surface and bulk measurements in bismuth-based cuprates agree and indicate a short-range charge order. [Also see Perspective by Morr]
A reaction is studied in fine detail by electron removal from a charged precursor to unveil and track a neutral intermediate.
Ambient seismic noise helps predict the ground motion associated with future large earthquakes.
A million-year-long marine sedimentary record of dust supply to the Pacific Southern Ocean reflects global climate.
A signaling system important in the regulation of plant cell size during development is identified.
Stomatopods use multiple photoreceptors to allow rapid color recognition rather than color discrimination. [Also see Perspective by Land and Osorio]
Calling frogs incidentally produce water ripples that are targeted by rival males and frog-eating bats.
Endothelial cells control liver regeneration through paracrine hepatotropic and autocrine endotheliotropic mechanisms.
Imaging of β-actin messenger RNA (mRNA) in neurons reveals transient alteration of mRNA availability during synaptic plasticity. [Also see Perspective by Akbalik and Schuman]
A transgenic mouse with fluorescently labeled endogenous β-actin mRNA permits single-molecule analysis in live cells. [Also see Perspective by Akbalik and Schuman]
Vibrational spectroscopy traces the origin of carbon monoxide and cyanide ligands in the active site of di-iron hydrogenase enzymes. [Also see Perspective by Pickett]
The intracellular sensor that triggers the death of human lymphoid CD4 T cells abortively infected with HIV is identified. [Also see Perspective by Gaiha and Brass]
Vitamin A deficiency alters the balance of innate immune cells in the gut, promoting resistance to nematode infection.
An unusual tumor in dogs arose more than 10,000 years ago, and despite a huge mutational burden, its genome has remained stable.[Also see Perspective by Parker and Ostrander]
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