2009 Top 10

Nature China published 248 research highlights in 2009. This is a list of the top ten most downloaded highlights from the international website of Nature China of that year, taking into account the time at which they were published. The chart does not rank the quality, scientific significance or citation impact of the content. However, it may bring articles to your attention that you might not have otherwise noticed. We hope you enjoy them.

1. Research Highlights

   Infectious diseases: Swine flu origin unwrapped -

   A new study shows that the 2009 swine-origin influenza virus originated from several viruses circulating in swine, and that the initial transmission to humans occurred months before recognition of the outbreak

   Published online: 24 June 2009 | doi:10.1038/nchina.2009.133

   See also: Nature Origins and evolutionary genomics of the 2009 swine-origin H1N1 influenza A epidemic

2. Research Highlights

   Stem cells: True pluripotency -

   Induced pluripotent stem cells can be as pluripotent as embryonic stem cells

   Published online: 24 June 2009 | doi:10.1038/nchina.2009.155

   See also: Nature iPS cells produce viable mice through tetraploid complementation

3. Research Highlights

   Metamaterials: Stop light! -

   Waveguides made from a channel of air inside a metamaterial could stop light in its tracks

   Published online: 21 January 2009 | doi:10.1038/nchina.2009.12

   See also: Opt. Express Stopping light by an air waveguide with anisotropic metamaterial cladding

4. Research Highlights

   Zinc oxide: Crystal under pressure -

   A model explains how the crystal structure of zinc oxide is transformed at high pressures

   Published online: 27 June 2009 | doi:10.1038/nchina.2007.116

   See also: J. Phys. Condens. Matter First-principles study of the wurtzite-to-rocksalt phase transition in zinc oxide

5. Research Highlights

   Composite materials: Flexible ferroelectrics -

   Flexible composites of ceramic particles and polymers can efficiently store and convert electrical energy

   Published online: 1 April 2009 | doi:10.1038/nchina.2009.65

   See also: J. Mater. Chem. Enhancement of dielectric constant and piezoelectric coefficient of ceramic–polymer composites by interface chelation

6. Research Highlights

   Cell death: From apoptosis to necrosis -

   Researchers in China have identified an energy metabolism regulator that switches cell death from apoptosis to necrosis

   Published online: 24 June 2009 | doi:10.1038/nchina.2009.130

   See also: Science RIP3, an energy metabolism regulator that switches TNF-induced cell death from apoptosis to necrosis

7. Research Highlights

   Human evolution: Peking Man just got older -

   Researchers have dated the 'Peking Man' fossils as 200,000 years older than previously thought

   Published online: 12 March 2009 | doi:10.1038/nchina.2009.53

   See also: Nature Age of Zhoukoudian Homo erectus determined with 26Al/10Be burial dating

8. Research Highlights

   Graphene: Carbon magnets -

   Ferromagnetism has been observed in graphene-based materials at room temperature

   Published online: 14 January 2009 | doi:10.1038/nchina.2009.3

   See also: Nano Lett. Room-temperature ferromagnetism of graphene

9. Research Highlights

   MicroRNA detection: Spot the difference -

   A new method can detect and distinguish microRNAs that differ from each other by only one nucleotide

   Published online: 18 March 2009 | doi:10.1038/nchina.2009.49

   See also: Angew. Chem. Int. Ed. Highly sensitive determination of microRNA using target-primed and branched rolling-circle amplification

10. Research Highlights

    Graphene: Making it big -

    Large continuous pieces of graphene can be grown on crystals by a simple annealing technique

    Published online: 21 January 2009 | doi:10.1038/nchina.2009.11

    See also: Adv. Mater. Highly ordered, millimeter-scale, continuous, single-crystalline graphene monolayer formed on Ru (0001)

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