Archaeologists studying a nearly 500,000-year-old elephant bone hammer have determined the ancient tool was made by Neanderthals or another early human ancestor.
Although researchers can monitor brain activity associated with perception, pain, and awareness, it remains unclear which neural pathways are tied to the origins of consciousness.
Laboratory tests of a novel serotonin-binding compound have revealed an unexpected disconnect between receptor activation and behavior, raising new questions about how psychedelic effects emerge in the brain.
Scientists have demonstrated a new method that could allow quantum information to be safely backed up, overcoming one of the longest-standing limitations in quantum computing.