Gesamtlänge aller Episoden: 6 days 20 hours 31 minutes
Graham Young introduces us to the Medusozoa in this, the first part of a two-part episode.
Starfish and other echinoderms are characterised by five-fold symmetry. But how did this bizarre bodyplan evolve? Dr Imran Rahman explains.
We explore the Mare aux Songes, a Mauritian marsh where dodo remains can be found. With Dr. Hanneke Meijer, Institut Català de Paleontologia.
Dr Robert Asher guides us through the mammalian evolutionary tree, covering everything from molecular data to macroevolutionary patterns.tree
Continuing our look at Australia's marsupials we speak to Dr. Karen Black (UNSW) about the Riversleigh fossil site
The story of marsupial evolution is much more complex than is first apparent we speak to Dr. Robin Beck, an expert on marsupial and metatherian phylogenetics, from the University of New South Wales, Sydney, Australia.
What are Mass extinctions, how are they quantified, what are the driving forces behind them, how bad were the ones in the past and will we have more in the future?