01:23
Minds and Matter
Philosopher Daniel Dennett talks about the link between mind and matter. He states that it is the mind that causes things to matter, noting that for organisms with very simple minds (like sponges or starfish, for example), there is not much that act...
02:53
Survivors: Long-Term Survivors
Despite the challenges of long-term survival on Earth, some phyla-including sponges, jellyfish, arthropods and mollusks-have endured for hundreds of millions of years, even in the most extreme environments.