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(Click for frequent words.) 70 Stephen Hawking 70 Professor Hawking 68 Prof Hawking 61 Professor Stephen Hawking 60 Prof. Hawking 58 Mlodinow 57 physicist Stephen Hawking 57 theoretical physicist Stephen Hawking 55 Physicist Stephen Hawking 54 Renowned physicist 54 Kip Thorne 53 Chandra Wickramasinghe 53 cosmologist Stephen Hawking 53 astrophysicist Stephen Hawking 51 renowned theoretical physicist 51 scientist Stephen Hawking 50 Raymond Kurzweil 50 Stephen Hawkings 50 mathematician Stephen Hawking 50 renowned cosmologist 49 cosmologist 49 Feynman 49 Fred Hoyle 49 Richard Feynman 49 Kurzweil 48 Neil Turok 48 Preskill 48 Michio Kaku 48 Hawking radiation 48 Pratchett 47 Antony Flew 47 Zero Gravity Flight 47 Tegmark 47 Gregory Benford 47 physicist Richard Feynman 46 Markram 46 Neil DeGrasse Tyson 46 renowned astrophysicist 46 Lucasian Chair 46 Leonard Mlodinow 46 Lucy Hawking 46 Peter Diamandis 46 Gamow 46 Schawinski 45 Lawrence Krauss 45 Lee Smolin 45 Marcus Chown 45 psychologist Steven Pinker 45 Stephen Wolfram 45 futurist Ray Kurzweil 45 Diamandis 45 astro physicist 45 Renowned astrophysicist 45 Owen Gingerich 45 d' Espagnat 44 Higgs 44 Subrahmanyan Chandrasekhar 44 God Particle 44 relativity theory 44 Seth Shostak 44 Roger Penrose 44 Briefer History 44 planetary astronomy 44 Frank Wilczek 44 Marcus du Sautoy 44 Wilmut 44 Vakoch 44 quantum physics 44 Richard Dawkins 44 Einstein theories 44 Matloff 44 Leonard Shlain 44 Lucasian professor 43 Reneke 43 Roukes 43 theoretical physicist 43 anthropic principle 43 Fritz Zwicky 43 quantum physicist 43 theoretical physicists 43 Huchra 43 Neils Bohr 43 John Preskill 43 astrophysicist 43 Satyendra Nath Bose 43 evolutionist 42 Theoretical physicists 42 Joel Primack 42 Carl Sagan 42 Sir Terry Pratchett 42 Blind Watchmaker 42 Kurt Gödel 42 Lewis Dartnell 42 technological singularity 42 Astrophysicist Stephen Hawking 42 neo Darwinism 42 relativity Einstein 42 astro physics 42 Taimina 42 physicists 42 Hans Moravec 42 alien civilizations 42 Jerry Pournelle 42 Astrophysicist 41 invisibility cloaks 41 Boroson 41 Raymond Tallis 41 Majel Roddenberry 41 particle physicists 41 Dr. Michio Kaku 41 panspermia 41 quantum theory 41 Gaia Hypothesis 41 Pieter van Dokkum 41 Professor Randy Pausch 41 spaceship 41 cosmologists 41 astrophysicist Carl Sagan 41 IDers 41 Discworld novels 41 Magnanti 41 Emeritus Lucasian Professor 41 Cosmologist 41 Paul Dirac 41 Max Tegmark 41 Basiago 41 Sharon Moalem 41 Murray Gell Mann 41 Jayant Narlikar 41 Lynn Margulis 41 astrophysicists 41 Peter Woit 41 quantum computing 41 Erwin Schrödinger 41 Seymour Benzer 41 Petra Boynton 41 Einstein theory 41 Professor Geim 41 Marvin Minsky 40 director Charles Elachi 40 Francis Galton 40 Meg Urry 40 cosmological theories 40 Bad Astronomy 40 Whithouse 40 James Lovelock 40 Tipu Aziz 40 Avi Loeb 40 Post Feminist Booby 40 JREF 40 Sasselov 40 physicist 40 Einstein 40 Wolszczan 40 Richard Lewontin 40 Ray Kurzweil 40 Mani Bhaumik 40 roboticist 40 Leonard Susskind 40 Einstein relativity theory 40 Dennis Overbye 40 Courtenay Latimer 40 Eerie Silence 40 Segway inventor 40 Neil deGrasse Tyson 40 Hawking Radiation 40 strangelets 40 Sitchin 40 theoretical astrophysics 40 Noel Sharkey 40 cosmology 40 Magueijo 40 Hockfield 40 Roger Revelle 40 Kroto 40 physicist Michio Kaku 40 Dessler 40 Dava Newman 40 Percival Lowell 40 singularity 40 Graham Farmelo 40 Blobby 40 mathematical proofs 40 Einsteinian 40 Brief History 40 heliocentrism 40 wormhole 40 Stephen Westaby 40 Caltech physicist 40 Tammet 40 Extraterrestrial Intelligence Institute 40 Death Kevorkian 40 professor Randy Pausch 40 Asriel 40 Phil Plait 40 Lisa Genova 40 Charles Darwin 40 Winglee 40 Ben Barres 40 Gödel 40 quantum gravity 39 Kavandi 39 Darwin theory 39 physicist Leonard Mlodinow 39 zero gravity 39 van Wyhe 39 science fiction 39 Duesberg 39 quantum mechanics 39 Ray Jayawardhana 39 Rupert Sheldrake 39 David Quammen 39 Ancestor Tale 39 Nima Arkani Hamed 39 Fritjof Capra 39 Creationist 39 Damadian 39 Kakalios 39 Zakhor 39 Benoit Mandelbrot 39 William Dembski 39 Emeagwali 39 Rubbia 39 Srikumar Rao 39 Weightlessness 39 Wissner Gross 39 Higgs bosons 39 Professor Pillinger 39 Bryan Appleyard 39 Michael Shermer 39 writer Isaac Asimov 39 Plimer 39 Chris Lintott 39 Susskind 39 Krimigis 39 Sir Harry Kroto 39 Leo Esaki 39 Professor Julian Savulescu 39 Prof Beddington 39 Scientist Stephen Hawking 39 Ed Weiler 39 teleportation 39 Richard Berendzen 39 Baroness Warnock 39 Spudis 39 theoretical physics 39 Theodore von Karman 39 Vertegaal 39 Carlos Frenk 39 author Terry Pratchett 39 D' Espagnat 39 Transcendent Man 39 Berners Lee 39 boson 39 Vernor Vinge 39 Gaia hypothesis 39 Kevin Padian 39 Andrew Chaikin 39 Sir Magdi 39 Schrödinger 39 Zarnecki 39 A. Dembski 39 Sara Seager 39 Wolfgang Ketterle 39 Natalie Angier 39 Randy Pausch 38 Supersymmetry 38 Eliezer Yudkowsky 38 Discworld 38 author Ray Bradbury 38 Nasser Peyghambarian 38 Polanyi 38 Ernst Mayr 38 Andrea Ghez 38 Cosmic Ordering 38 jetpack 38 David Southwood ESA 38 Boonin 38 Houdin 38 particle physicist 38 general relativity 38 Isaac Asimov 38 Shlain 38 Prusiner 38 Konstantin Tsiolkovsky 38 coronal heating 38 physicist Albert Einstein 38 Big Bang theory 38 astronomer Carl Sagan 38 Ulf Leonhardt 38 Perkowitz 38 Yudof 38 Martha Minnow 38 evolutionary theory 38 Last Theorem 38 Consciousness Explained 38 Higgs Boson particle 38 Andrea Sella 38 Bahcall 38 Julian Savulescu 38 David Bodanis 38 Erwin Schrodinger 38 Rowling 38 universe Kaku 38 philosopher Blaise Pascal 38 Quantum Physics 38 GH Hardy 38 Garriot 38 astronomer Seth Shostak 38 Killer Asteroids 38 Roel Vertegaal 38 Marc Levoy 38 Vorilhon 38 astrobiologist 38 Rokhsar 38 Jodrell Bank Observatory 38 Julian Baggini 38 terraforming Mars 38 Melvill 38 Durrant Whyte 38 Krishtalka 38 Mandelbrot 38 Christof Koch 38 Ockelford 38 Reijo Pera 38 Pretor Pinney 38 Bezos 38 Schrodinger Cat 38 Chu Nobel laureate 38 Astonishing Hypothesis 38 Dr. Raj Baldev 38 Perimeter Institute 38 gray goo 38 Leonard Mlodinow Bantam 38 Irving Wladawsky Berger 38 Stephen Hawking Universe 38 Shostak 38 Wernher Von Braun 38 intelligent alien lifeforms 38 Raelians 38 astronomer Johannes Kepler 38 Cryonics 38 Professor Chandra Wickramasinghe 38 Despommier 38 Ian Plimer 38 Pickover 38 wave particle duality 38 Borucki 38 John Frangioni 38 Albert Einstein 38 Berlinski 38 Christopher Chyba 38 Ehud Shapiro 38 Erich von Daniken 38 Dame Muriel 38 tricorder 38 Teleportation 38 Jodrell Bank 38 quantum physicists 38 Wheen 38 parallel universes 38 Varmus 38 Lucasian Professor 38 Susanne Shultz 38 Brother Consolmagno 38 Trahtman 38 observable phenomena 38 Particle physics 38 Fermi paradox 38 Norbert Wiener 38 sociologist Zygmunt Bauman 38 Brad Duchaine 38 Professor Ian Wilmut 38 Merzenich 38 Narlikar 38 Kaku 38 Harry Kroto 38 Fermi Paradox 38 Diaconis 37 Lonely Planets 37 Emily Lakdawalla 37 To Boldly Go 37 cosmos 37 Star Trek creator 37 Professor Richard Lindzen 37 James Kakalios 37 exobiology 37 Mark Changizi 37 Jaron Lanier 37 psychic Uri Geller 37 Sankai 37 Furedi 37 professor Marin Soljacic 37 Changes Itself 37 Drake Equation 37 habitable worlds 37 extraterrestrial beings 37 Nicholas Flamel 37 Mackay Sim 37 Higgs boson particle 37 alternate universes 37 Marrows 37 Stephen Heppell 37 Sherry Turkle 37 Wormholes 37 George Gamow 37 Gene Roddenberry 37 Extraterrestrial Intelligence 37 Bad Astronomer 37 Thomas Harriot 37 Oliver Pybus 37 Trebek 37 Dr. Samadi 37 Hammesfahr 37 Ramesh Raskar 37 Kruszelnicki 37 Higgs particle 37 Behe 37 theistic evolutionist 37 Parmenides 37 Allan Sandage 37 lunar landings 37 presenter Jeff Stelling 37 Jodrell 37 Nobelist 37 JBS Haldane 37 Kazilek 37 motor neurone disease 37 Lisick 37 Neo Darwinism 37 Anaxagoras 37 du Sautoy 37 Dr. von Hagens 37 ufologist 37 dinosaur Sereno 37 Harold Lasswell 37 Clifton Fadiman 37 Terry Eagleton 37 F. Readdy NASA 37 Mandushev 37 Gazzaniga 37 Emilio Bombay 37 MIT planetary scientist 37 Friis Christensen 37 Ishiguro 37 Molczan 37 Peter Duesberg 37 Dava Sobel 37 Higgs singlet 37 Leslie Pelecky 37 Oren Etzioni 37 Jack Shephard 37 Jean Louis Sebagh 37 astronomer 37 Leon Lederman 37 Hari Manoharan 37 Higgs Boson 37 Reinhard Genzel 37 Newitz 37 Ben Goldacre 37 Galton 37 heliocentric 37 Singularity 37 Newton Principia 37 parapsychologists 37 Franck Marchis 37 Alliss 37 Dembski 37 space.com 37 SpaceShip One 37 Discworld series 37 Sir Ian Wilmut 37 mathematician 37 Vivian Bearing 37 Pinto Duschinsky 37 Bohdan Paczynski 37 Schellnhuber 37 Pinker 37 Priyamvada Natarajan 37 Charles Seife 37 Squyres Cornell 37 Tim Coughlin MAusIMM 37 Dr. Arthur Kornberg 37 Gillatt 37 wormholes 37 Nobel Prizewinning 37 Homayoon Kazerooni 37 Erik Demaine 37 Sulston 37 Gottfried Wilhelm Leibniz 37 Vunjak Novakovic 37 mathematicians 37 Gell Mann 37 Bruce Margon 37 Rosaly Lopes 37 Hänsch 37 Douglas Prasher 37 Logie Baird 37 Daniel Dennett 37 Damazer 37 author Cory Doctorow 37 Demon Haunted 37 AC Grayling 37 Roswell Incident 37 Gazowsky 37 astral projection 37 Mitchel Resnick 37 L. Garwin 37 Annus Mirabilis 37 Von Neumann 37 robotic explorer 37 bladeless fan 37 Gravity Probe 37 Rutan 37 Epsilon Aurigae 37 transhumanism 37 quantum weirdness 37 Calaprice 37 Simon Baron Cohen 37 Rigden 37 Zubrin 37 scientifically testable 37 COLDWATER Mich. Jack Kevorkian 37 De Botton 37 Fraknoi 37 Roald Hoffman 37 psychohistory 37 Kreskin 37 Benson Jennifer Connelly 37 Steven Strogatz 37 Wettergreen 36 Seracini 36 planetoid 36 Cleese 36 Glover Quartey 36 Konacki 36 Jill Bolte Taylor 36 Chris Chyba Princeton 36 Astronaut Lopez Alegria 36 Volker Bromm 36 Jerrie Cobb 36 Delingpole 36 Gekoski 36 Colin Pillinger 36 Qaradawi 36 Gaiman 36 Navarro Valls 36 Gaia Theory 36 Carilli 36 Monbiot 36 physicist Max Planck 36 magnetic monopoles 36 Loebner 36 Ig Nobels 36 Nimoy 36 S. Lindzen 36 detective Sherlock Holmes 36 Hensher 36 physics 36 Mr Damazer 36 Tardis 36 Werner von Braun 36 Seymour Papert 36 astrophysics 36 Bradley Greger 36 UFO believers 36 extraterrestrial civilizations 36 Chafer 36 Henry Perowne 36 Theoretical Cosmology 36 Nasa astronaut 36 vomit comet 36 Fortey 36 Bookstaber 36 Prof Wilmut 36 Botstein 36 Larry Dossey 36 Matory 36 Segway inventor Dean Kamen 36 Massimo Pigliucci 36 Norvig 36 Tom Simonite 36 Gabaix 36 Status Anxiety 36 Brother Guy Consolmagno 36 Blastland 36 Pillinger 36 Engelbart 36 Choset 36 Hadron Collider 36 creationists 36 Michael Crichton 36 Ion propulsion 36 Lenat 36 JKRowling 36 phlogiston 36 Herschbach 36 Ropper 36 Zero Gravity Corp. 36 clever clogs 36 Philip Zimbardo 36 Frank Kermode 36 UFOs 36 Gaskell 36 Matthias Mehl 36 detect gravitational waves 36 Gravitational waves 36 theoretical astrophysicist 36 Peter Grünberg 36 Raymond Jeanloz 36 Binzel 36 Physicist 36 Epicurus 36 Hangst 36 Leon Festinger 36 Zdinak 36 Brooke Magnanti 36 Winterson 36 Greg Delory 36 Simpsons Matt Groening 36 Ben Bova 36 Fundamental Physics 36 Dr. Chaoulli 36 Ian Wilmut 36 Professor Valerie Beral 36 Dr. Jerome Groopman 36 observational astronomy 36 Louis Ignarro 36 Charles Babbage 36 Dan Cristol 36 Astrophysical 36 Reith Lectures 36 Murenbeeld 36 Creationists 36 Hawking mathematics 36 Pterosaurs 36 Cosmology 36 transhumanists 36 Vikhlinin 36 Boris Rubinsky 36 Martinez Levasseur 36 Hammerschmidt Hummel 36 Felice Frankel 36 Debra Moriarity 36 Ivor Crewe 36 Yentob 36 Cordain 36 Hertzfeld 36 Einstein Relativity 36 Failed Hypothesis 36 Morewedge 36 Cerf 36 Paulhan 36 Heisenberg Uncertainty Principle 36 astrophysical phenomena 36 astronaut Eugene Cernan 36 Sir Harold Kroto 36 Thomas Zurbuchen 36 Jerome Groopman 36 Nicholas Kurti 36 Simove 36 Professor Trounson 36 Kabat Zinn 36 Astrobiology Magazine 36 Terry Pratchett 36 philosopher Karl Popper 36 Ted Wragg 36 multiverse theory 36 Jacobovici 36 Folbre 36 superstring theory 36 Crichton 36 Schroedinger cat 36 Ringworld 36 Story Musgrave 36 physicist Niels Bohr 36 Marc Bekoff 36 Sallie Baliunas 36 Chris Rapley 36 Samuel Shem 36 Pond Karen Gillan 36 maths whiz 36 Jack Swigert 36 McLurkin 36 comet chaser 36 Zoloth 36 alien abductees 36 Universe 36 Djorgovski 36 Dangerous Idea 36 Roger Highfield 36 Amit Goswami 36 subatomic particle 36 planetoids 36 Stanley Prusiner 36 Barbara Liskov 36 Daniel Faraday Lindelof 36 Dr Ehrsson 36 Martin Jetpack 36 Beatrice Hahn 36 Morbius 36 Polakow Suransky 36 James Gleick 36 Cynthia Breazeal 36 extraterrestrial UFOs 36 Kasturirangan 36 Wouk 36 Ketterle 36 Michael Behe 36 Alister McGrath 36 Dawkins 36 sub orbital spaceflight 36 Rowthorn 36 mammalian genetics 36 Daniel Tammet 36 Richard Lindzen 36 Levete 36 Squiggle 36 Sheril Kirshenbaum 36 abiogenesis 36 Clive Seale 36 intelligent beings 36 Maria Goeppert Mayer 36 Carl Friedrich Gauss 36 Laibson 36 Leonard Kleinrock 36 Braben 36 quantum entanglement 36 Kurt Godel 36 Tsien 36 MacRobert 36 spacecraft SpaceShipTwo 36 Werner Dahm 36 Roy Plomley 36 Jill Tarter 36 particle physics 36 Bowen Simpkins 36 Extrasolar Planets 36 historian Tony Judt 36 Erlingsson 36 Royyuru 36 Vomit Comet 36 Krishna Bharat 36 Kathy Belov 36 Steven Pinker 36 Astrophysicists 36 Gliese #c 36 Professor Plimer 36 Douglas Hofstadter 36 Professor Andre Geim 36 arXiv 36 Stanford Ovshinsky 36 Bang Goes 36 weightlessness 36 Myhrvold 36 astronomy 36 Stuhlinger 36 Hugo Gernsback 36 Darwinian theory 36 Udoff 36 artificial intelligence 36 parapsychology 36 Sybill Trelawney 36 evolutionists 36 Jenniskens 36 Jacob Bronowski 36 A'Hearn 36 Deolalikar 36 Lauterbur 36 Haidt 36 Daleks 36 universe 36 JMG Le Clézio 36 Riemann Hypothesis 36 Squyres 36 Bryan Gaensler 36 Victor Stenger 36 singularities 35 Maussan 35 double helix structure 35 inventor Ray Kurzweil 35 Schrödinger cat 35 Verbiscer 35 Rabbi Soloveitchik 35 Montalbini 35 Rene Descartes 35 Gerhard Schwehm 35 scramjet 35 Atmospheric Scientist 35 spacecraft 35 multiverse 35 Trounson 35 Relman MD 35 Christophe Lovis 35 Allen Hynek 35 Evolutionary Biologist 35 Richard Garriott 35 Futurologist 35 Nolen Hoeksema 35 Christopher Monckton 35 Hölzle 35 Peter H. Diamandis 35 Charles Elachi 35 Gopnik 35 Cordelia Fine 35 Mayan prophecies 35 Sandi Toksvig 35 Extrasolar 35 Tony Judt 35 Guillebaud 35 Pascal Wager 35 Krulwich 35 Wladawsky Berger 35 Ian McKellen 35 AJP Taylor 35 Copernicus Galileo 35 Blaise Pascal 35 Djerassi 35 Giovanni Picardi 35 Avishay Gal Yam 35 X Prize 35 Arthur Kornberg 35 Bekey 35 Tombaugh 35 extraterrestrials 35 Schrieffer 35 English Dictionary OED 35 Borschberg 35 futurologist 35 Gatiss 35 SpaceShipOne rocket 35 Ben Shneiderman 35 Paul Mellars 35 Revkin 35 quantum chromodynamics QCD 35 Tricorder 35 Rusbridger 35 Tarnya Cooper 35 Francis Crick 35 Buehler Planetarium 35 HomeRemote 35 Mancall 35 Marscher 35 Hitchens 35 Lindzen 35 Michael Mateas 35 extraterrestrial civilization 35 Scaraffia 35 Female Brain 35 Spergel 35 Mankiw 35 Kopeikin 35 Robotic Exploration 35 Boisselier 35 outer space 35 Judt 35 Soljacic 35 Carol Shloss 35 extra terrestrials 35 Sir Francis Galton 35 Christine Huffard 35 engineer Burt Rutan 35 Bhidé 35 Ciaran Bolger 35 Shapley 35 spaceliner 35 bionics 35 Bojowald 35 Extra Terrestrial Intelligence 35 Bottke 35 Mullard Space Science 35 writer Pico Iyer 35 Zur Hausen 35 UFO enthusiasts 35 Atkins Diet Revolution 35 Da Vinci 35 Magnus Amanda Tapping 35 Mikovits 35 Schreber 35 Richard Rorty 35 European astronomers astrologers 35 boffin 35 Bellesiles 35 Parcak 35 Prof Nayernia 35 Cernan 35 Salzhauer 35 Alexander Goncharov 35 Moggridge 35 Ernst Stuhlinger 35 Zrenner 35 Edmond Halley 35 Gehrels 35 Darwin Dilemma 35 Fernández Armesto 35 nanobot 35 Touretzky 35 Gravity Probe B 35 Edwin Hubble 35 Alexey Vikhlinin 35 Rabinow 35 Professor Noam Chomsky 35 linguist Geoffrey Nunberg 35 Gina Kolata 35 extraterrestrial origin 35 Asimov 35 Dr. Aleinikov 35 SIM PlanetQuest 35 Spaceship Earth 35 Einstein equations 35 P. Feynman 35 Rorty 35 Raichlen 35 purely naturalistic 35 Nobel laureate 35 VS Ramachandran 35 Aaron Lazare 35 Eric Pianka 35 Stanley Falkow 35 SpaceShipOne designer 35 Actor Christopher Reeve 35 Derren Brown 35 Hustvedt 35 Stickgold 35 diCarlo 35 Lamarck 35 Dora Biro 35 Elizabeth Kubler Ross 35 UFOlogists 35 Werthimer 35 Nasaw 35 Robert Zubrin 35 John van Wyhe 35 Shlomo Sand 35 Etzioni 35 Opposable Mind 35 Georg Cantor 35 Stéphane Udry 35 Ovshinsky 35 unfalsifiable 35 Creationism 35 blackbody radiation 35 Kübler Ross 35 Lévi Strauss 35 Walter Koenig Chekov 35 Satish Dhawan 35 Francesca Cordeiro 35 Jan Rabaey 35 Lévy 35 Neil Postman 35 Riemann hypothesis 35 Voyager spacecraft 35 Mackwell 35 Actor Keir Dullea 35 Martian meteorite 35 Menand 35 B. Samadi 35 Bernoulli Principle 35 Bart De Pontieu 35 BioLogos 35 Elisabeth Kübler Ross 35 Prof Pillinger 35 TARDIS 35 Rumack 35 Zecharia Sitchin 35 Treffert 35 subatomic theory 35 Sadock 35 Svensmark 35 Daugman 35 bacterial flagellum 35 Russell Doescher 35 Klawe 35 Julia Slingo 35 Litella 35 theoretical cosmology 35 manned lunar landing 35 Lunine 35 Alok Jha 35 Crick 35 Mamoru Mohri 35 Conselice 35 Newtonian gravity 35 Zewail 35 Donna Haraway 35 André Borschberg 35 sonic screwdriver 35 Adam Riess 35 O'Shea squid 35 Archbishop Tutu 35 Prof Wiseman 35 Zaven Khachaturian 35 Nasa 35 Robert Krulwich 35 Shaywitz 35 Saul Perlmutter 35 Gleick 35 scientific breakthroughs 35 neo Darwinian evolution