18thcentury 1906-1997 19thcentury 2006l-690 20esiècle 20thcentury 21stcentury 500 501 507 509 577 600 609 agujerosnegros(astronomía) anecdotes arabinfluences astronomers astronomy astrophysics biography blackholes(astronomy) botany california cells charlesh chemistry china civilization clydewilliam communicationinscience competition congresses cosmology creativeability creativeabilityinscience creativeabilityintechnology criticalthinking descubrimientoscientíficos dinosaurs discoveriesingeography découvertesscientifiques economic economicdevelopment engineering enlightenment errors europe evolution farmers fiction fisicos forecasting galaxies general globalization greatbritain grundlagenforschung histoire history historyroyalsociety(greatbritain) hum016000 humor humorous india intellectualproperty international inventions inventors juvenileliterature kansas knowledge kreativesdenken kreativität kritischesdenken learningandscholarship life meaning(philosophy) methodology miscellanea molecularstructure naturalism naturwissenschaften neurosisocupacional newyorktimesbestseller nouvelles novela nyt:chapter-books=2009-12-27 névrosesprofessionnelles occupationalneuroses onderzoek organiccompounds origin originoflife paleontologists paleontology patentlawsandlegislation personal philosophy physicallaws physiciens physicists physics pictorialworks planets plantcollecting popularworks practicalguides publicopinion q qd461b892004 radioastronomy reference research romans science scienceandcivilization scientific scientificerrors scientificexpeditions scientists socialaspects socialchange sociologyof sociologyofknowledge sources spaceandtime structure tec056000ref015000 technologicalinnovations technology technologyandcivilization timetravel tombaugh townes trousnoirs(astronomie) unitedstates verylargearray warfare weather western