23 October 1998 - science lecture

How you heard the lecture: “What we really wanted to know was the mumble mumble at the time, but of course we can’t measure it directly. We can get a clue from mumble mumble in the mumble mumble.”

How scientists heard the lecture: “Mumble mumble adiabatic lapse rate, mumble mumble. Mumble mumble oxygen isotopic ratios mumble carbonate formation.”