This week in the Planet Earth Podcast - how scientists find out about life in the oceans' deepest trenches; how identifying proteins from 50 milion year old reptile skin could help us store radioactive waste; and studying the effects of climate change in the Arctic.

• The deep sea, ancient proteins, Arctic research - Naked Scientists Science Podcasts and Science Radio Shows
• Life Where the Sun Don't Shine... - Podcasts
• Archaeogenetics - The Past in Our Genes - Podcasts
• Chilling Out - The Science of Cryogenics - Podcasts
• Checking the Atmosphere and Changing the Climate - Podcasts
• Do My Eyes have Anti-Shake Vision? - Podcasts