This week, how the climate has changed throughout history, and why enforcing vaccination should be done with care.In this episode:00:39 Climate through timeResearchers have modelled how climate has changed throughout the past 2000 years. Research article: Neukom et al.; Research article:Neukom et al.; News and Views: The aberrant global synchrony of present-day warming06:45 Research HighlightsMaking a self-propelling liquid, and the benefit of laugh tracks. Research Highlight: How to make water flow uphill; Research Highlight: To make lame jokes funnier, cue the laugh track08:35 Make vaccines mandatory?Scientists have warned that enforcing vaccinations could backfire, so should be done carefully. Comment: Mandate vaccination with care14:15 News ChatThe UK’s new prime-minister, and the launch of an Indian moon mission. News: What Boris Johnson’s leadership could mean for science; News:India launches ambitious second Moon mission For information regarding your data privacy, visit acast.com/privacy