consciousness
Pro-Russian separatists block the way to the crash site of Malaysia Airlines Flight MH17. Bulent Kilic/AFP/Getty Images hide caption
If you need empirical information about what is happening in the brain of a dog to know that dogs think, then either you've never met a dog or your own humanity is in doubt. iStockphoto.com hide caption
How does our subjective reality emerge from the physical structures of the brain and body? iStockphoto.com hide caption
It's looking at you. But is it conscious? How do we know? iStockphoto.com hide caption
Where does the mind fit within the cosmos? Are they separate, intertwined or one and the same? F. Comeron/ESO hide caption
A car cannot be reduced to an engine, just as a person cannot be reduced to a brain. Cameron Spencer/Getty Images hide caption
Do we really understand what's happening here? Ian Waldie/Getty Images hide caption