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  • Science Quotes   676
  • There is more evidence to prove that saltness [of the sea] is due to the admixture of some substance, besides that which we have adduced. Make a vessel of wax and put it in the sea, fastening its mouth in such a way as to prevent any water getting in. Then the water that percolates through the wax sides of the vessel is sweet, the earthy stuff, the admixture of which makes the water salt, being separated off as it were by a filter.
    • 5 years ago



    Tags : Aristotle Quotes , Sweet Quotes , Science Quotes
  • But by far the greatest hindrance and aberration of the human understanding proceeds from the dullness, incompetency, and deceptions of the senses; in that things which strike the sense outweigh things which do not immediately strike it, though they be more important. Hence it is that speculation commonly ceases where sight ceases; insomuch that of things invisible there is little or no observation.
    • 5 years ago



    Tags : Francis Bacon Quotes , Science Quotes , Sight Quotes
  • When a honeybee dies it releases a death pheromone, a characteristic odour that signals the survivors to remove it from the hive. The corpse is promptly pushed and tugged out of the hive. The death pheromone is oleic acid. What happens if a live bee is dabbed with a drop of oleic acid? Then no matter how strapping and vigourous it might be, it is carried kicking and screaming out of the hive.
    • 5 years ago



    Tags : Carl Sagan Quotes , Science Quotes , Survivor Quotes
  • He scarce had ceased when the superior fiend Was moving toward the shore; his ponderous shield Ethereal temper, massy, large and round, Behind him cast; the broad circumference Hung on his shoulders like the moon, whose orb Through optic glass the Tuscan artist views At evening from the top of Fésolè, Or in Valdarno, to descry new lands, Rivers or mountains in her spotty globe.
    • 5 years ago



    Tags : John Milton Quotes , Moving Quotes , Science Quotes
  • For myself, I like a universe that, includes much that is unknown and, at the same time, much that is knowable. A universe in which everything is known would be static and dull, as boring as the heaven of some weak-minded theologians. A universe that is unknowable is no fit place for a thinking being. The ideal universe for us is one very much like the universe we inhabit. And I would guess that this is not really much of a coincidence.
    • 5 years ago



    Tags : Carl Sagan Quotes , Knowledge Quotes , Science Quotes
  • Scientists constantly get clobbered with the idea that we spent 27 billion dollars on the Apollo programs, and are asked "What more do you want?" We didn't spend it; it was done for political reasons. ... Apollo was a response to the Bay of Pigs fiasco and to the successful orbital flight of Yuri Gagarin. President Kennedy's objective was not to find out the origin of the moon by the end of the decade; rather it was to put a man on the moon and bring him back, and we did that.
    • 5 years ago



    Tags : Carl Sagan Quotes , Successful Quotes , Science Quotes