It is said that “binoculars are halfway to a telescope” for observing
the night sky. Not only this, but they are easier to use than a
telescope and far less than half the cost. So, binoculars make the
ideal “first scope” for someone newly interested in amateur
astronomy.
So, which binoculars should you buy?
First of all, [...]

(originally posted at http://www.bautforum.com)
Ok–Cells on Earth-based life are deformed spheres (genus 0, i.e. no “holes” like a donut). That seems reasonable, as I figure it is easier for a spherical cell to form randomly than anything more complex. A spherical cell might have evolved when, for some reason, self-replicating molecules got other molecules attached to [...]