This week, how going barefoot affects what your feet can feel, and uncovering history with ancient proteins.In this episode:00:44 A sole sensationA study of people who do and don't wear shoes looks into whether calluses make feet less sensitive. Research article: Holowka et al.; News and Views: Your sensitive sole08:50 Research HighlightsMagma moving quickly, and twice-transforming 4D materials. Research Highlight: Volcano’s magma hit top speed; Research Article: Wang et al.11:09 Dating fossils with proteinsArchaeologists turn to proteins to answer questions DNA cannot. News Feature: Move over, DNA: ancient proteins are starting to reveal humanity’s history19:38 News ChatA special report from the Democratic Republic of the Congo on the ongoing Ebola crisis. News: The doctor who beat Ebola — and inspires other survivors to care for the sick; News: Meet the Ebola workers battling a virus in a war zone; News: World Health Organization resists declaring Ebola emergency — for third time For information regarding your data privacy, visit acast.com/privacy