Technical Notes on Video:

Video length is 1:09:23.

John Durant, Director, MIT Museum, introduces the event.

At 2:00, Richard Primack begins.

At 8:32, Abraham Miller-Rushing joins the presentation.

At 20:23, Durant invites the audience to formulate questions and comments for the researchers.

At 21:23, Durant reads some of the audience questions.

At 25:28, the scientists respond to questions.

At 28:08, they display images of Lowell Cemetery from Memorial Day 1868 and 2005, showing dramatically different tree leaf emergence.

Audience questions include:

Are almanacs helpful in your research?
Why did you choose particular species for your research and what other species might prove helpful?
How does rapid evolution of a species fit into your research?
Are plant species migrating?
What about using cranberries, earthworms, day lilies to track climate change?
How can school children and teachers assist your efforts?
Would a single Observation day be useful?