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A conversation about mathematics inspired by some fingers. Presented by Katie Steckles and Peter Rowlett, with special guest Ben Orlin. Ben’s new book is Math Games with Bad Drawings.

A conversation about mathematics inspired by the game Quarto. Presented by Katie Steckles and Peter Rowlett.

A conversation about mathematics inspired by a slinky. Presented by Katie Steckles and Peter Rowlett.

A conversation about mathematics inspired by the nodal cubic. Presented by Katie Steckles and Peter Rowlett. We go closer to the cutting edge of research than usual in this chat with Angela Tabiri about her PhD research.

A conversation about mathematics inspired by the PageRank algorithm. Presented by Katie Steckles and Peter Rowlett.

A conversation about mathematics inspired by a joke. Presented by Katie Steckles and Peter Rowlett, with special guest Bec Hill.

A conversation about mathematics inspired by a hairy ball. Presented by Katie Steckles and Peter Rowlett.

A conversation about mathematics inspired by a superegg. Presented by Katie Steckles and Peter Rowlett, with special guest Hannah Fry.

A conversation about mathematical jokes, humour and folklore inspired by a sheep, at least one side of which is black. Presented by Katie Steckles and Peter Rowlett. The jokes sent to Peter on Twitter that we mention can be found in the replies to this tweet.

A conversation about mathematics inspired by a plate of biscuits. Presented by Katie Steckles and Peter Rowlett, with special guest Alison Kiddle. What do you notice? What do you wonder? Alison’s Noticing and wondering page. We also mentioned A Problem Squared Episode 014 = Final Cheese Drama and Quick-Fire-O-Rama. You can see Peter’s kitchen floor…

A conversation about mathematics inspired by a Spirograph set. Presented by Katie Steckles and Peter Rowlett. Katie’s Spirograph GeoGebra file.

A conversation about mathematics inspired by a balancing bird. Presented by Katie Steckles and Peter Rowlett, with special guest Alom Shaha. Alom’s video and template about the balancing bird.

A conversation about mathematics inspired by UUID 0412a969-5b27-4c28-9662-85ef2c201e0c. Presented by Katie Steckles and Peter Rowlett.

A conversation about mathematics inspired by an auctioneer’s hammer. Presented by Katie Steckles and Peter Rowlett, with special guest Tim Harford.

A conversation about mathematics inspired by cards from the game Dobble. Presented by Katie Steckles and Peter Rowlett. You can read more about Katie’s adventures in golfing combinatorics.

A conversation about mathematics inspired by an arbelos. Presented by Katie Steckles and Peter Rowlett, with special guest Catriona Agg. Catriona mentions this proof without words, which is taken from Proof Without Words: The Area of an Arbelos by Roger B. Nelsen in Mathematics Magazine.

A conversation about mathematics inspired by a box of Christmas crackers. Presented by Katie Steckles and Peter Rowlett. Merry Christmas!

A conversation about mathematics inspired by an Enigma machine. Presented by Katie Steckles and Peter Rowlett, with special guest Tom Briggs.

A conversation about mathematics inspired by some solids of constant width. Presented by Katie Steckles and Peter Rowlett.

A conversation about mathematics inspired by a ball of wool (yarn). Presented by Katie Steckles and Peter Rowlett, with special guest Pat Ashforth.