What's the connection between cognition and the development of our wonderfully complicated human culture? Anthropologist Jean-Luc Lucker on how society emerges from this mixing of cognition and culture. Jean-Luc Jucker is an anthropologist expert in interdisciplinary research and mixed methods. (fb)

Can biology be explained entirely in terms of chemistry and then physics? If so, that’s “reductionism.” Or are there “emergent” properties at higher levels of the hierarchy of life that cannot be explained by properties at lower or more basic levels? Alan C. Love, Ph.D., is a professor in the College of Liberal Arts at the University of Minnesota. He also serves as director of the Minnesota Center for Philosophy of Science. (fb)