A new twist on black-hole detection

Summaries of newsworthy papers - Physics: A new twist on black-hole detection; Materials: Hydrogen in view.

NATURE AND THE NATURE RESEARCH JOURNALS PRESS RELEASE

For papers that will be published online on 13 February 2011

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Summaries of newsworthy papers:

Physics: A new twist on black-hole detection
Materials: Hydrogen in view

Mention of papers to be published at the same time with the same embargo

Geographical listing of authors

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[1] Physics: A new twist on black-hole detection
DOI: 10.1038/nphys1907

A technique that could enable the detection of spinning black holes is reported online this week in Nature Physics.

General relativity predicts that some black holes rotate. The large mass of these as-yet unidentified objects makes space and time swirl around as well. Bo Thidé and his colleagues now show this space-time upheaval can leave a mark on passing light—a signature that could be detected by modern telescopes.

Some forms of light have so-called orbital angular momentum, giving them a corkscrew-like shape as they propagate through space. Calculations show that the presence of a rotating, or Kerr, black hole distorts this shape. Measuring these distortions on Earth could provide information about the size and speed of the black hole.

“It is rare in general-relativity research that a new phenomenon is discovered that allows us to test the theory further,” says Martin Bojowald in an accompanying News & Views article.

Author contact:
Bo Thidé (Swedish Institute of Space Physics, Uppsala, Sweden)
Tel: +46 18 4715914; E-mail: [email protected]

Martin Bojowald (Pennsylvania State University, University Park, PA, USA) N&V author
Tel: +1 814 865 3502; E-mail: [email protected]

[2] Materials: Hydrogen in view
DOI: 10.1038/nmat2957

Hydrogen atoms in a crystal have been directly imaged using a state-of-the-art transmission electron microscope, reports a paper online this week in Nature Materials.

Developments in electron optics during the past few years have allowed the imaging of several light elements. Hydrogen—the lightest of all—has eluded even the most powerful microscopes because of its very weak interaction with electron beams. Eiji Abe and co-workers have now achieved the goal of imaging atoms of this element in a specimen of yttrium hydride (YH2). They use a particular configuration of scanning transmission electron microscopes named annular bright field, in which an electron beam hits a crystal on one side and the atoms appear as dark spots on the images detected on the other side.

Author contact:
Eiji Abe (University of Tokyo, Japan)
Tel: +81 3 5841 7167; E-mail: [email protected]

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Items from other Nature journals to be published online at the same time and with the same embargo:

NATURE (http://www.nature.com/nature)

[3] Crystal structure of a potassium ion transporter, TrkH
DOI: 10.1038/nature09731

NATURE BIOTECHNOLOGY (http://www.nature.com/naturebiotechnology)

[4] Implantable magnetic relaxation sensors measure cumulative exposure to cardiac biomarkers
DOI: 10.1038/nbt.1780

NATURE CELL BIOLOGY (http://www.nature.com/naturecellbiology)

[5] 53BP1 nuclear bodies form around DNA lesions generated by mitotic transmission of chromosomes under replication stress
DOI: 10.1038/ncb2201

[6] Interaction between the Machado-Joseph disease deubiquitylase ATX 3 and CDC 48 couples longevity and proteostasis
DOI: 10.1038/ncb2200

NATURE CHEMICAL BIOLOGY (http://www.nature.com/nchembio)

[7] Structural basis for RNA trimming by RNase T in stable RNA 3'-end maturation
DOI:10.1038/nchembio.524

NATURE CHEMISTRY (http://www.nature.com/nchem)

[8] Activating efficient phosphorescence from purely organic materials by crystal design
DOI: 10.1038/nchem.984

NATURE GENETICS (http://www.nature.com/naturegenetics)

[9] Discovery and genotyping of genome structural polymorphism by sequencing on a population scale
DOI: 10.1038/ng.768

[10] The stress kinase MKK7 couples oncogenic stress to p53 stability and tumor suppression
DOI: 10.1038/ng.767

[11] SUMOylation promotes de novo targeting of HP1a to pericentric heterochromatin
DOI: 10.1038/ng.765

NATURE GEOSCIENCE (http://www.nature.com/ngeo)

[12] Dominant role of tectonic inheritance in supercontinent cycles
DOI: 10.1038/ngeo1080

[13] Magnitude and oxidation potential of hydrocarbon gases released from the BP oil well blowout
DOI: 10.1038/ngeo1067

NATURE MATERIALS (http://www.nature.com/naturematerials)

[14] Efficiency enhancement in organic solar cells with ferroelectric polymers
DOI: 10.1038/nmat2951

[15] Mesophase behaviour of polyhedral particles
DOI: 10.1038/nmat2959

[16] The lithium intercalation process in the low-voltage lithium battery anode Li1+xV1-xO2
DOI: 10.1038/nmat2967

[17] Scanning tunnelling microscopy and spectroscopy of ultra-flat graphene on hexagonal boron nitride
DOI: 10.1038/nmat2968

NATURE MEDICINE (http://www.nature.com/naturemedicine)

[18] UBE4B promotes Hdm2-mediated degradation of the tumor suppressor p53
DOI: 10.1038/nm.2283

[19] Regulation of glucose homeostasis through XBP-1–FoxO1 interaction
DOI: 10.1038/nm.2293

NATURE METHODS (http://www.nature.com/nmeth)

[20] Confined activation and subdiffractive localization enables whole-cell PALM with genetically expressed probes
DOI: 10.1038/nmeth.1571

[21] A microprobe for parallel optical and electrical recordings from single neurons in vivo
DOI: 10.1038/nmeth.1572

NATURE NANOTECHNOLOGY (http://www.nature.com/nnano)

[22] Gate-controlled guiding of electrons in graphene
DOI: 10.1038/nnano.2011.3

[23] Using nano-QSAR to predict the cytotoxicity of metal oxides
DOI: 10.1038/nnano.2011.10

[24] Manipulating surface states in topological insulator nanoribbons
DOI: 10.1038/nnano.2011.19

NATURE NEUROSCIENCE (http://www.nature.com/natureneuroscience)

[25] Golden Goal collaborates with Flamingo in conferring synaptic-layer specificity in the visual system
DOI: 10.1038/nn.2756

[26] A reservoir of time constants for memory traces in cortical neurons
DOI: 10.1038/nn.2752

NATURE PHYSICS (http://www.nature.com/naturephysics)

[27] Creation and measurement of long-lived magnetic monopole currents in spin ice
DOI: 10.1038/nphys1896

[28] Temporal correlations of superconductivity above the transition temperature in La2–xSrxCuO4 probed by terahertz spectroscopy
DOI: 10.1038/nphys1912

[29] Magnetism and charge dynamics in iron pnictides
DOI: 10.1038/nphys1923

[30] Non-Abelian statistics and topological quantum information processing in 1D wire networks
DOI: 10.1038/nphys1915

[31] Multi-component quantum gases in spin-dependent hexagonal lattices
DOI: 10.1038/nphys1916

NATURE STRUCTURAL & MOLECULAR BIOLOGY (http://www.nature.com/natstructmolbiol)

[32] Genetic selection designed to stabilize proteins uncovers a chaperone called Spy
DOI: 10.1038/nsmb.2016

[33] Critical nucleus size for disease-related polyglutamine aggregation is repeat length dependent
DOI: 10.1038/nsmb.1992

[34] The glmS riboswitch integrates signals from activating and inhibitory metabolites in vivo
DOI: 10.1038/nsmb.1989

[35] Defining an allosteric circuit in the cysteine protease domain of Clostridium difficile toxins
DOI: 10.1038/nsmb.1990

[36] Structural basis for engagement by complement factor H of C3b on a self surface
DOI: 10.1038/nsmb.2018

[37] The hidden energetics of ligand-binding and activation in a glutamate receptor
DOI: 10.1038/nsmb.2010

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GEOGRAPHICAL LISTING OF AUTHORS

The following list of places refers to the whereabouts of authors on the papers numbered in this release. The listing may be for an author's main affiliation, or for a place where they are working temporarily. Please see the PDF of the paper for full details.

AUSTRALIA
Brisbane: 24
Sydney: 1, 10

AUSTRIA
Vienna: 10, 20

CANADA:
Edmonton: 18
Kingston: 18
Montreal: 32
Quebec: 21

CZECH REPUBLIC
Olomouc: 5

DENMARK
Copenhagen: 5

FRANCE
Aubiere: 11
Lyon: 27
Paris: 11

GERMANY
Berlin: 30
Cologne: 6
Garching: 35
Hamburg: 6, 31, 36
Meyerhofstrasse: 5
Munich: 3
Tuebingen: 36

GREECE
Athens: 10

ISRAEL
Rehovot: 30

ITALY
Milano: 23
Padova: 1
Turin: 10

JAPAN
Fukuoka: 18
Kyoto: 25
Sapporo: 18
Tokyo: 2
Tsukuba: 17

POLAND
Gdansk: 23

SPAIN
Barcelona: 31
Castelldefels: 1
Madrid: 10

SWEDEN
Uppsala: 1

TAIWAN
Hsinchu: 7
Taipei: 7

UNITED KINGDOM
Bath: 16
Chilton: 27
Durham: 27
Edinburgh: 36
Liverpool: 36
London: 27
Newcastle: 36
Oxford: 5, 27
St Andrews: 16

UNITED STATES OF AMERICA

Arizona
Tucson: 17

California
Berkeley: 12
Irvine: 30
La Jolla: 34
Los Angeles: 14, 24
Pasadena: 30
San Francisco: 35
Santa Barbara: 13, 30
Stanford: 22, 35

Connecticut
New Haven: 26

Florida
Tallahassee: 13, 20

Georgia
Athens: 13

Illinois
Argonne: 3
Evanston: 17
Chicago: 37

Indiana
West Lafayette: 22

Kansas
Pittsburgh: 33

Maryland
Baltimore: 28, 37
Bethesda: 20
Chevy Chase: 32

Massachusetts
Boston: 4, 9, 18, 19
Cambridge: 4, 9, 17, 22

Michigan
Ann Arbor: 8, 32

Mississippi
Jackson: 23
Stennis Space Center: 13

Missouri
St Louis: 19

Nebraska
Lincoln: 14

New Jersey
Piscataway: 29

New York
Ithaca: 15
New York: 3
Upton: 28

Texas
Dallas: 3

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Published: 13 Feb 2011

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