Bodhisattva's Brain

Can there be a Buddhism without karma, nirvana, and reincarnation that is compatible with the rest of knowledge?

If we are material beings living in a material world—and all the scientific evidence suggests that we are—then we must find existential meaning, if there is such a thing, in this physical world. We must cast our lot with the natural rather than the supernatural. Many Westerners with spir...