Uploaded October 2018 | Updated September 2026, 2 weeks ago

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Subscribe to the Podcast: goo.gl/CemLaj
Grey: youtube.com/user/cgpgrey
Brady: youtube.com/user/numberphile

Discussion: reddit.com/r/CGPGrey

Grey and Brady discuss: heatwaves revisited, progress in project Cyclops, The Apple Watch as Black Mirror horror, Brady goes to Peru, being from America, leap year criminals, doggy bags, The Buzz, and C-words.

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## Show Notes:

**Discuss this episode on the reddit: reddit.com/r/CGPGrey/**


It's hot in the summer:

2003 edition: metoffice.gov.uk/learning/learn-about-the-weather/weather-phenomena/case-studies/heatwave
2005 edition: news.bbc.co.uk/1/hi/uk/4107890.stm
2006 edition: en.wikipedia.org/wiki/2006_European_heat_wave
2007 edition: en.wikipedia.org/wiki/2007_European_heat_wave
2008 mini edition: telegraph.co.uk/news/uknews/1935112/Britons-soak-up-sun-as-mini-heatwave-hits-UK.html
2009 edition: theguardian.com/uk/2009/jul/01/heatwave-met-office-health-advice
2010 edition: theguardian.com/uk/2010/jul/10/uk-heatwave-deaths-rise-elderly
2011 edition: theguardian.com/uk/2011/oct/03/uk-weather-normal-record-heatwave
2012 edition: theguardian.com/uk/2012/may/28/storms-dramatic-end-uk-heatwave
2013 edition: en.wikipedia.org/wiki/2013_Great_Britain_and_Ireland_heat_wave
2014 edition: bbc.co.uk/news/uk-28351774
2015 edition: theguardian.com/uk-news/2015/jul/01/heatwave-hits-heathrow-temperature-airport-flies-past-32c
2016 edition: theguardian.com/uk-news/2016/aug/14/uks-second-heatwave-of-the-summer-on-its-way
2017 edition: theguardian.com/uk-news/2017/jun/21/uk-heatwave-to-set-40-year-temperature-record
2018 edition: bbc.co.uk/news/uk-45399134

H.I. #109: Twitter War Room on YouTube: youtube.com/watch?v=iLqbsgwLHX0

CGPGrey2: Thinking About Attention: youtube.com/watch?v=wf2VxeIm1no

Self Control: selfcontrolapp.com

Cusco: en.wikipedia.org/wiki/Cusco

Machu Picchu: en.wikipedia.org/wiki/Machu_Picchu

Brady's first coffee: youtube.com/watch?v=8MxnvXabKGY

Juvenile or adult? Leap-year suspect poses conundrum for ACT court: http://www.abc.net.au/news/2018-09-13/canberra-court-leap-year-girl-adult-or-child/10242750

Bees in South African plane's engine delay flights: bbc.co.uk/news/world-africa-45654501