David Pengelley is a retired math professor from New Mexico State University (NMSU). We'll be talking about math education, math history, and learning math from primary source material. Dr. Pengelley, who also does original theoretical as well as historical mathematical research, rediscovered the work of the first known female research mathematician, Sophie Germain.

Recorded 7/21/20.

Mariah Blake is an investigative journalist whose work has appeared in The New York Times, The Atlantic, Mother Jones, and The New Republic. She was a Murrey Marder Nieman Fellow in Watchdog Journalism at Harvard University. Blake is the author of the recently published, They Poisoned the World: Life and Death in the Age of Forever Chemicals. The book investigates the chemical industry's decades-long campaign to hide the dangers of forever chemicals, the courageous individuals who sued these corporations, and the precautions each of us can take to protect ourselves in a polluted world.

Recorded 6/4/25.

Jessy Randall is curator of special collections at Colorado College and the author of several poetry collections, including: Suicide Hotline Hold Music, (which includes her own accompanying comics), There Was an Old Woman, Injecting Dreams into Cows, and A Day in Boyland, which was a finalist for the Colorado Book Award. She has also written a young adult novel, The Wandora Unit, about poetry nerds in high school, and a collection of collaborative poems, Interruptions, written with Daniel M. Shapiro. In a previous appearance on Delving In, on 11/13/22, she shared her poems from Mathematics for Ladies: Poems on Women in Science. Today's interview returns to this subject with new poems from her latest book, The Path of Most Resistance.

Recorded 5/27/25.

Kelly Clancy is a neuroscientist who has held research positions at M.I.T., Berkeley, the University College London, and the A.I. company, DeepMind, focusing on biological information processing and agency. In 2014 she was awarded the Regeneron Prize for creative innovation in biomedicine. Her writing has appeared in several major publications, including the Wall Street Journal, Wired, and The New Yorker. She is the author of the recently published book, Playing with Reality: How Games Have Shaped Our World.

Recorded 5/21/25.

Jaz Brisack is a experienced union organizer, starting with the United Autoworkers campaign at the Nissan factory in Canton, MS and volunteering as a Pinkhouse Defender at the state’s last abortion clinic. After spending one year at Oxford as a Rhodes Scholar, they got a job as a barista at the Elmwood Starbucks in Buffalo, NY, becoming a founding member of Starbucks Workers United and helping to organize the first unionized Starbucks in the United States. As the organizing director for Workers United in upstate New York and Vermont, Jaz subsequently worked with organizing committees that successfully formed a workers’ union at a Ben & Jerry’s store in Burlington, VT and less successfully at a Tesla facility in Buffalo, NY.

​In 2018, Jaz co-founded the Inside Organizer School and is currently developing it further as a Practitioner in Residence at the Labor Center of the University of California at Berkeley. The school teaches non-union workers and activists how to organize their workplaces from within. It also brings together organizers, activists, and workers from a variety of industries, unions, and campaigns, with the aim of creating a community that builds a vibrant, diverse, and democratic labor movement. Jaz is the author of Get on the Job and Organize: Standing Up for a Better Workplace and a Better World, which is the subject of today’s interview.

Recorded 4/22/25.

James Danckert is a cognitive scientist at the University of Waterloo in Ontario, Canada, focusing on the neuroscience of attention and the consequences of strokes. He has written numerous journal articles on the psychology of boredom and is the co-author, with John Eastwood, of Out of My Skull: The Psychology of Boredom, published in 2020, which is the subject of today’s interview.

Recorded 4/17/25.

Jeff Hobbs is the author of five books, including a novel, The Tourists, and four books that apply a novelist writing style to the struggles of individuals striving to overcome racial, class, and social disadvantages. These include The Short and Tragic Life of Robert Peace: A Brilliant Young Man who Left Newark for the Ivy League, which won the Los Angeles Times Book Prize; Show Them You’re Good: Four Boys and the Quest for College; Children of the State: Stories of Survival and Hope in the Juvenile Justice System; and most recently and the subject of today’s interview, Seeking Shelter: A Working Mother, Her Children, and a Story of Homelessness in America.

Recorded 4/3/25.

Samina Ali teaches fiction writing at Stanford University and is an award-winning author, whose debut novel, Madras on Rainy Days, published in 2004, won several literary awards, including Poets & Writers Magazine’s Top Debut of the Year. She has been a columnist for the New York Times Book Review and other publications and has been interviewed by national media.

Samina has been an activist for Muslim women’s rights and has served as a cultural ambassador to several European countries for the U.S. State Department. A founding member of the American Muslim feminist organization, Daughters of Hajar, she curated the acclaimed global exhibition, Muslima: Muslim Women’s Art & Voices, showcasing work by Muslim women artists, activists, and thought leaders from around the world.

​Samina’s just released second book, Pieces You’ll Never Get Back, which is the subject of today’s interview, tells the story of her unlikely survival and seven years of recovery, after nearly dying during the birth of her son. The memoir disarmingly invites the reader to relive her harrowing experience with her, as she taps into its medical, psychological, spiritual, cultural, and familial dimensions.

Recorded 3/25/24.