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                                systems developed to monitor nuclear testing can also be used to understand other issues such as climate change.
In the third article, Psyche Loui provides insight into how the brain deals with music. In her article, we learn that music elicits complex neural activity and that this activity differs for differ- ent aspects of the musical experience. Our fourth article fits with our interests in learning about the history of research in acoustics. In his article, Kenneth Suslick presents a history of research in ultrasonics. He does this by introducing a number of fascinating individuals who did truly imaginative work in interesting places. And, in passing, Ken mentions the origin of the term used for men’s formal wear!
The fifth article, by Aaron Thode, derives from a special ses- sion that Aaron organized at an ASA meeting. The topic, plant bioacoustics, is something most of us have never thought about. The article introduces us to the idea that plants not only influ- ence sounds in their environment, but that sound may also play a role in plant biology.
Our final article, by Stephen Thompson, returns to the theme of history in a discussion of the first century of electroacoustics.
As part of his discussion, Steve talks about the evolution of many devices that have helped shape our lives and our research.
As usual, this issue includes an “Ask an Acoustician” essay. The piece here is about Adrian KC Lee. KC is well-known to many in the ASA as an active contributor to our Society and particularly for his contributions to ASA publications (see So, it is a delight to learn more about KC as a scientist and as an individual.
Our second essay is by ASA Education and Outreach Coor- dinator L. Keeta Jones as part of her series in AT about both outreach and education. In her essay, Keeta focuses on the International Year of Sound (IYS), something ASA members will be hearing about over the coming year (2020) because, as Keeta points out, the ASA is strongly committed to its participation in the IYS.
In closing, we want again to ask ASA members to con- sider ways in which we can increase (all kinds of) diversity in AT. If you have ideas, or suggestions for authors and articles, please email either of us, or chat with us at any
ASA meeting.
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