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  • The Surface Composition and Temperature of Asteroid 21 Lutetia As Observed by Rosetta/VIRTIS
    [作者:Coradini, A; Capaccioni, F; Erard, S; Arnold, G; De Sanctis, MC; Filacchione, G; Tosi, F; Barucci, MA; Capria, MT; Ammannito, E; Grassi, D; Piccioni, G; Giuppi, S; Bellucci, G; Benkhoff, J; Bibring, JP; Blanco, A; Blecka, M; Bockelee-Morvan, D; Carraro, F; Carlson, R; Carsenty, U; Cerroni, P; Colangeli, L; Combes, M; Combi, M; Crovisier, J; Drossart, P; Encrenaz, ET; Federico, C; Fink, U; Fonti, S; Giacomini, L; Ip, WH; Jaumann, R; Kuehrt, E; Langevin, Y; Magni, G; McCord, T; Mennella, V; Mottola, S; Neukum, G; Orofino, V; Palumbo, P; Schade, U; Schmitt, B; Taylor, F; Tiphene, D; Tozzi, G,期刊:Science, 页码:492-494 , 文章类型: Article,,卷期:2011年334-6055]
  • The Visible, InfraRed, and Thermal Imaging Spectrometer (VIRTIS) on Rosetta obtained hyperspectral images, spectral reflectance maps, and temperature maps of the asteroid 21 Lutetia. No absorption features, of either sil...
  • Torsional Carbon Nanotube Artificial Muscles
    [作者:Foroughi, J; Spinks, GM; Wallace, GG; Oh, J; Kozlov, ME; Fang, SL; Mirfakhrai, T; Madden, JDW; Shin, MK; Kim, SJ; Baughman, RH,期刊:Science, 页码:494-497 , 文章类型: Article,,卷期:2011年334-6055]
  • Rotary motors of conventional design can be rather complex and are therefore difficult to miniaturize; previous carbon nanotube artificial muscles provide contraction and bending, but not rotation. We show that an electr...
  • Chemoenzymatic Synthesis of Homogeneous Ultralow Molecular Weight Heparins
    [作者:Xu, YM; Masuko, S; Takieddin, M; Xu, HM; Liu, RP; Jing, J; Mousa, SA; Linhardt, RJ; Liu, J,期刊:Science, 页码:498-501 , 文章类型: Article,,卷期:2011年334-6055]
  • Ultralow molecular weight (ULMW) heparins are sulfated glycans that are clinically used to treat thrombotic disorders. ULMW heparins range from 1500 to 3000 daltons, corresponding from 5 to 10 saccharide units. The comme...
  • Time-Critical Social Mobilization
    [作者:Pickard, G; Pan, W; Rahwan, I; Cebrian, M; Crane, R; Madan, A; Pentland, A,期刊:Science, 页码:509-512 , 文章类型: Article,,卷期:2011年334-6055]
  • The World Wide Web is commonly seen as a platform that can harness the collective abilities of large numbers of people to accomplish tasks with unprecedented speed, accuracy, and scale. To explore the Web's ability for s...
  • The Complex Folding Network of Single Calmodulin Molecules
    [作者:Stigler, J; Ziegler, F; Gieseke, A; Gebhardt, JCM; Rief, M,期刊:Science, 页码:512-516 , 文章类型: Article,,卷期:2011年334-6055]
  • Direct observation of the detailed conformational fluctuations of a single protein molecule en route to its folded state has so far been realized only in silico. We have used single-molecule force spectroscopy to study t...
  • How Fast-Folding Proteins Fold
    [作者:Lindorff-Larsen, K; Piana, S; Dror, RO; Shaw, DE,期刊:Science, 页码:517-520 , 文章类型: Article,,卷期:2011年334-6055]
  • An outstanding challenge in the field of molecular biology has been to understand the process by which proteins fold into their characteristic three-dimensional structures. Here, we report the results of atomic-level mol...
  • Impacts of the Cretaceous Terrestrial Revolution and KPg Extinction on Mammal Diversification
    [作者:Meredith, RW; Janecka, JE; Gatesy, J; Ryder, OA; Fisher, CA; Teeling, EC; Goodbla, A; Eizirik, E; Simao, TLL; Stadler, T; Rabosky, DL; Honeycutt, RL; Flynn, JJ; Ingram, CM; Steiner, C; Williams, TL; Robinson, TJ; Burk-Herrick, A; Westerman, M; Ayoub, NA; Springer, MS; Murphy, WJ,期刊:Science, 页码:521-524 , 文章类型: Article,,卷期:2011年334-6055]
  • Previous analyses of relations, divergence times, and diversification patterns among extant mammalian families have relied on supertree methods and local molecular clocks. We constructed a molecular supermatrix for mamma...
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