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Nature , C11-C14 |
Open Innovation Challenges
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Single-cell Analysis Platform
This Challenge is looking for novel approaches to analyzing changes at a single-cell level. This is...
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Optimizing Sub-cellular Localization Tags
The Seeker is looking for methods to optimize sub-cellular localization tags for protein expression....
nature jobs
Graduate Student Award in Statistical Lipidomics
- University of Ottawa
- Ottawa, ON K1H8M5
Post-doctoral Fellowship In Functional Neuroimaging
- National Institute of Mental Health
- Bethesda, Maryland
How common are habitable planets?
Jack J. Lissauer
Abstract
The Earth is teeming with life, which occupies a diverse array of environments; other bodies in our Solar System offer fewer, if any, niches that are habitable by life as we know it. Nonetheless, astronomical studies suggest that many habitable planets may be present within our Galaxy.
One of the most basic questions that has been pondered by Natural Philosophers for many millennia concerns humanity's place in the Universe: are we alone? This question has been approached from many different viewpoints, and similar reasoning has led to widely diverse answers.
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