2:15 – The last page of Darwin’s The Power of Movement in Plants (1880).
3:25 – The 2009 paper by Dr. Baluška and colleagues about the history and modern revival of the “root-brain hypothesis.”
6:00 – The tinfoil hats experiment—and its influence—is discussed in this 2009 paper.
8:00 – The dust-up between Darwin and Sachs is described in this 1996 paper.
8:47 – The 2011 paper listing many of the environmental variables plants are now known to be sensitive to.
9:28 – Dr. Gagliano and colleagues’ paper on associative learning in plant and on plants’ use of sounds to find water. The possibility of echolocation is discussed here.
9:45 – For broader context surrounding the question of plants may have something like a brain, see Oné R. Pagán’s essay titled ‘The brain: A concept in flux.’
9:57 – The 2006 paper that inaugurated the field of “plant neurobiology.”
10:34 – Discussions of the “transition zone” of the root can be found in the 2009 paper by Baluška and colleagues, as well as in this more technical paper from 2010.
11:00 – The response letter to the original “plant neurobiology” paper, signed by 36 plant biologists.
12:00 – Michael Pollan’s 2013 article ‘The Intelligent Plant‘ in The New Yorker.
12:05 – Anthony Trewavas’s letter, highlighting the power of metaphors in science.
12:26 – The 2020 paper about pea tendrils in Psychonomic Bulletin & Review.
Correction: The audio version of this episode misstates the publication year of Darwin’s final book, about worms. The correct year is 1881, not 1883.