4 citations · 4 across the 1 of their papers we have counts for
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astro-ph1998
Cosmology and the Origin of Life
John D. Barrow
We discuss some of the cosmological constraints on the evolution and persistence of life in the Universe and in hypothetical universes other than our own. We highlight the role pla…
astro-ph1997
Limits on the Variability of Physical Constants
M. J. Drinkwater, J. K. Webb, J. D. Barrow +1
We have compared the frequency of high-redshift Hydrogen HI 21 cm absorption with that of associated molecular absorption in two quasars to place new (1 sigma) upper limits on any…