Mathematical biologist studying evolution. Professor of Mathematics at Emmanuel College, MA. Queer, nonbinary (they/them). For social and ecological justice. Jewish as in Free Palestine. https://www.emmanuel.edu/emmanuel-mathematical-biology-research-embrhttps://bsky.app/profile/evodynamics.bsky.socialhttps://bsky.app/profile/evodynamics.bsky.social/post/3mlhcwhyumc2fThis is really good! Especially for kids in the 7-14 range (mine loves it so far). Choose-Your-Own-Adventure podcast set in a climate-ravaged future, with science-based info on what we can do now to stop it. [contains quote post or other embedded content]09 May 2026 22:42 +0000at://did:plc:7hxgf2va34yccuy3devkfqlj/app.bsky.feed.post/3mlhcwhyumc2fhttps://bsky.app/profile/evodynamics.bsky.social/post/3ml7qyfed3k23Massachusetts implies the existence of Chargeachusetts and Spinachusetts06 May 2026 22:32 +0000at://did:plc:7hxgf2va34yccuy3devkfqlj/app.bsky.feed.post/3ml7qyfed3k23https://bsky.app/profile/evodynamics.bsky.social/post/3ml7jox4zg22aA takeaway: *Fitness can be assigned to individuals or to lineages, not both at once *To be a target of natural selection, it must be assigned to linages *If assigned to lineages, individuals can't act as if maximizing it *Ergo: Selection can't lead individuals to act as if maximizing fitness [contains quote post or other embedded content]06 May 2026 20:21 +0000at://did:plc:7hxgf2va34yccuy3devkfqlj/app.bsky.feed.post/3ml7jox4zg22ahttps://bsky.app/profile/evodynamics.bsky.social/post/3ml7er4c3vc2aExcited that this has officially come out! Smith et al. (including @joannamasel.bsky.social ): "Why are there so many definitions of fitness in models?" https://academic.oup.com/genetics/advance-article/doi/10.1093/genetics/iyag090/8663038?login=true06 May 2026 18:53 +0000at://did:plc:7hxgf2va34yccuy3devkfqlj/app.bsky.feed.post/3ml7er4c3vc2ahttps://bsky.app/profile/evodynamics.bsky.social/post/3ml4bswlks22hThe idea that the primary purpose of higher education is credentialing (rather than, you know, *education*) is one of the all-time greatest lies that economists tried to make us believe. [contains quote post or other embedded content]05 May 2026 13:22 +0000at://did:plc:7hxgf2va34yccuy3devkfqlj/app.bsky.feed.post/3ml4bswlks22hhttps://bsky.app/profile/evodynamics.bsky.social/post/3ml33qtedas2fLearned something new today [contains quote post or other embedded content]05 May 2026 02:01 +0000at://did:plc:7hxgf2va34yccuy3devkfqlj/app.bsky.feed.post/3ml33qtedas2fhttps://bsky.app/profile/evodynamics.bsky.social/post/3mkxtxp243c2zOh look, yet another piece of evidence that Trump is a serial predator [contains quote post or other embedded content]03 May 2026 19:04 +0000at://did:plc:7hxgf2va34yccuy3devkfqlj/app.bsky.feed.post/3mkxtxp243c2zhttps://bsky.app/profile/evodynamics.bsky.social/post/3mkxm2qahvs2bIs there a standard notation for "the set of ordered n-tuples of *distinct* elements from a set S"? Or, in other words, "the set of all n-perumtations of S"?03 May 2026 16:42 +0000at://did:plc:7hxgf2va34yccuy3devkfqlj/app.bsky.feed.post/3mkxm2qahvs2bhttps://bsky.app/profile/evodynamics.bsky.social/post/3mkxgz3nx7c2yThe production of manuscripts is growing faster than the capacity of the scientific community to peer-review them, especially when peer review is neither compensated nor valued as scholarly activity [contains quote post or other embedded content]03 May 2026 15:12 +0000at://did:plc:7hxgf2va34yccuy3devkfqlj/app.bsky.feed.post/3mkxgz3nx7c2yhttps://bsky.app/profile/evodynamics.bsky.social/post/3mkuqienogs23Cornell University president Michael Kotlikoff found a new way to deal with these pesky student protesters: running them over with his car [contains quote post or other embedded content]02 May 2026 13:24 +0000at://did:plc:7hxgf2va34yccuy3devkfqlj/app.bsky.feed.post/3mkuqienogs23