- The role of manipulation and intervention in theories of causality, https://larspsyll.wordpress.com/2021/05/08/the-role-of-manipulation-and-intervention-in-theories-of-causality/
- Cold Calling (finally) Dies, https://ritholtz.com/2021/05/cold-calling-finally-dies/?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed:+TheBigPicture+(The+Big+Picture)
- Citizen Science, the Cosmos, and the Meaning of Life, https://www.brainpickings.org/2021/05/27/comets-meteors-perseids-leonids/?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed:+brainpickings/rss+(Brain+Pickings)