His work entails taking on the persona of an 18th or 19th century scientist. (brooklynrail.org)
By the 20th century scientists, rejecting old tales of world catastrophe, were convinced that global climate could change only gradually over many tens of thousands of years. (history.aip.org)
Over the next two centuries scientists got a clearer understanding of how those signals work. (discovermagazine.com)