Today at Colliding Universes

Neutrinos: Sudbury Neutrino Observatory does the sun's bookkeeping

Origin of life: The live cat vs. the dead cat

Cosmology: Wow. It takes guts to wage war with Stephen Hawking ... he appeared in Star Trek

Universe: Arguments against flatness (plus exposing sloppy science writing)

Origin of life: Latest scenario gives RNA world a boost

Colliding Universes is my blog on competing theories about our universe.