• We learned: about a newly-released study of Mayan lands that indicates a much more developed and inter-connected civilization than previously understood. Scientists used lasers to identify many thousands of structures previously hidden from view.

• We think: regular meetings can help organizations, IF they follow the guidelines explained in this episode of the Freakonomics podcast. Among the suggestions: make sure the purpose is clear.

• We read: about some very helpful travel hacks that will be useful for many of us. My favorite? Using the clips on the hanger to keep the curtains closed and provide a darker sleeping environment.

• We've been: curious about the “vaping illness” that has drawn a lot of attention. Vaping would seem to be a viable alternative for people addicted to smoking who want to reduce exposure to carcinogens in cigarettes. The recent illness and even death of some users has led different governments to ban the use of flavored products, but this is unlikely to prevent further deaths. According to the research at the link, the issue is contaminated and black market products, many containing cannabis or cannabis-related substances. As with many things, knee-jerk legislation seems the wrong approach.