Nature, Volume 448Sir Norman Lockyer Macmillan Journals Limited, 2007 - Electronic journals |
From inside the book
Results 1-3 of 82
Page 123
... levels Berner describes would have restricted the geographical range of many land animals . Most animals have an ' altitude ceiling ' above which they can't flourish ( for humans it's 5.1 kilometres ) . As oxygen levels dropped in the ...
... levels Berner describes would have restricted the geographical range of many land animals . Most animals have an ' altitude ceiling ' above which they can't flourish ( for humans it's 5.1 kilometres ) . As oxygen levels dropped in the ...
Page 124
... levels were slow , reflecting changes in the rate at which organic mat- ter was buried over millions of years . By contrast , detailed analyses of the strata in which the fossils are preserved show that the extinction was abrupt , with ...
... levels were slow , reflecting changes in the rate at which organic mat- ter was buried over millions of years . By contrast , detailed analyses of the strata in which the fossils are preserved show that the extinction was abrupt , with ...
Page 178
... levels above and below the Fermi surface by spin - polarized Landau levels at the Fermi surface ( dashed yellow ovals in Fig . 2a ) . Calculations of the exchange matrix element21 between different orbital Landau levels indicate that ...
... levels above and below the Fermi surface by spin - polarized Landau levels at the Fermi surface ( dashed yellow ovals in Fig . 2a ) . Calculations of the exchange matrix element21 between different orbital Landau levels indicate that ...
Contents
Crinan St London N19XW | 4 |
How T cells recognize sugars | 27 |
68 | 43 |
Copyright | |
11 other sections not shown
Other editions - View all
Common terms and phrases
activity adhesive analysis applications beam binding Biol biology boson brain Ca2+ calmodulin CD1d CDNF CERN channel clones collisions complex density detected detector e-mail ecosystem effects electron energy epiblast EpiSCs experiments expression factors function gene genetic genome Hadron Higgs Higgs boson human imaging Institute interactions iPS cells Laboratory Large Hadron Collider levels magnetic measurements mechanism methylation mice mimics molecular mouse ES cells mutant Nanog Nanog iPS nature publishing group naturejobs neurons observed Oct4 paper at www.nature.com/nature particles peptide photon Phys physics plants pluripotent position potential protein quantum quark-gluon plasma quarks Rab8 receptor RNAi RNAP scientific scientists sequence signalling silicon siRNA Sox2 species standard model stem cells structure substrate supercoils Supplementary Fig Supplementary Information Supplementary Table surface target temperature theory tion topotecan transcription transform fault transgenic TRPM8 University wild-type