Related by context. Frequent words. (Click for all words.) 44 robotic spacecraft 43 daring 40 gene therapy 39 nanomachines 39 someday 39 bionic 39 bioengineer 39 manned spacecraft 38 containment valve 38 spacewalking partner 38 shuttle Discovery 38 spacewalk 37 Genetic testing 37 Stem cell 37 bioengineers 37 spaceflight 37 SpaceX Falcon 9 37 rocketship 37 bionics 37 gene splicing 37 cat burglar 37 technique 37 Stem cells 36 Ares IX rocket 36 Someday 36 looser fitting 36 Gastric bypass surgery 36 experimental 36 robotic submarines 35 stem cells derived 35 scramjet 35 plugin document.write 35 interplanetary spacecraft 35 static kill 35 Ares rocket 35 extract stem cells 35 experiment 35 regenerative medicine 35 genetically engineer 34 NASA Kepler 34 robotic 34 lunar landing 34 microelectromechanical systems MEMS 34 bionic arm 34 Personalized medicine 34 subatomic particle 34 biomimetic 34 extracting stem cells 34 Hormone replacement 34 curing diseases 34 Adult stem cells 34 pluripotent cells 34 Cellulosic ethanol 34 giant shears 34 spaceplane 34 shuttle Endeavour 34 vaginal gel 34 Robonaut 34 manned spaceflight 34 cell transplantation 33 rocketeers 33 daredevils 33 manned missions 33 physicists 33 stem cells 33 Hubble Telescope 33 minimally invasive 33 lunar module 33 Soviet cosmonaut Yuri Gagarin 33 adult stem cells 33 induced pluripotent stem iPS 33 invent 33 Embryonic stem cells 33 daredevil 33 damaged riser 33 scientists 33 underwater robots 33 regrow 32 ROBERT La. 32 unmanned lunar 32 Eggan 32 containment dome 32 Flight controllers 32 Novocell 32 Adult Stem Cells 32 reprogramming 32 Radiation therapy 32 teleportation 32 perfected 32 Embryonic stem cell 32 artificial pancreas 32 Amgen discovers develops manufactures 32 stem cell therapy 32 buckyball 32 cryonics 32 unfurl 32 Ariane rocket 32 cloaking device 32 Tracy Caldwell Dyson 32 named Kibo 31 undersea robot