Phrase by 'David Grinspoon'

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Our most valuable resources - creativity, communication, invention, and reinvention - are, in fact, unlimited.

Author: David Grinspoon - American Scientist
  Communication , Creativity , Invention


I think a lot of people interested in space exploration tend to hear stories about the great missions, how they work technically, what we learned. But they don't really hear the story of what it takes to get a mission from scratch to the launch pad and into space.

Author: David Grinspoon - American Scientist
  People , Work , Great , Space


The planet Mars - crimson and bright, filling our telescopes with vague intimations of almost-familiar landforms - has long formed a celestial tabula rasa on which we have inscribed our planetological theories, utopian fantasies, and fears of alien invasion or ecological ruin.

Author: David Grinspoon - American Scientist
  Long , Alien , Bright , Mars


We need to have a vision of the world we want to create so that we can see ourselves as collaborators with future generations in the project of shaping it.

Author: David Grinspoon - American Scientist
  See , World , Future , Vision


Titan has rivers and lakes of liquid methane and ethane, methane weather systems of clouds and storms that mirror Earth's hydrologic cycle, and seasonal cycles that rival Earth's in complexity.

Author: David Grinspoon - American Scientist
  Earth , Weather , Mirror , Clouds


There was a long history of people believing there was life on Venus. It was about the same size as Earth. It had clouds. It was commonly believed it was tropical - wet, hot and steamy.

Author: David Grinspoon - American Scientist
  Life , People , History , Clouds


Humans are possessed, to some degree, with the power of foresight. Yet we so often learn things the hard way, through disaster.

Author: David Grinspoon - American Scientist
  Way , Power , Disaster , Hard


Radiation is one of the important factors in evolution. It causes mutation, and some level of mutation is actually good for evolution.

Author: David Grinspoon - American Scientist
  Good , Important , Some , Evolution


The story of our species is one of overcoming existential risk through new forms of cooperation and innovation.

Author: David Grinspoon - American Scientist
  New , Story , Innovation , Overcoming


Time and time again, our species has escaped existential threats by reinventing ourselves, finding new skills not coded in our genes to survive new challenges not previously encountered.

Author: David Grinspoon - American Scientist
  Time , New , Challenges , Finding


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