Every so often we get a reminder that all scientific conclusions are provisional. The canyon-like scars which line Mars' crust are seen by many as evidence for liquid water. But a study now suggests that a different kind of fluid – one much less hospitable to life – may actually have carved these features. via … Continue reading Lava, not water, formed canyons on Mars
Wow. Somewhat in balance to yesterday's reblog of part one of Coel Hellier's post defending multiverse theories as scientific, here's Amir Aczel skewering many of the proponents of multiverses and other untestable cosmological theories. He takes aim at Brian Greene, Max Tegmark, Lawrence Krauss, and others, for presenting metaphysical assertions as science. The universe is a marvelous … Continue reading Pseudophysics: The New High Priesthood
xkcd on the Fermi Paradox. Click through for the full sized version. xkcd: Fish.