ardipithecus and bipedal walking

Image source: By T. Michael Keesey – Zanclean skullUploaded by FunkMonk, CC BY 2.0, https://commons.wikimedia.org/w/index.php?curid=8541387 The hominid known as “Ardi” (a specimen of Ardipithecus ramidus) was discovered in 1994, at a site near Ethiopia’s Awash River. Once excavated, it turned out that this was – for its age – a remarkably complete specimen: 125 fossilised bones, comprising […]

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wordle & schol bio

One of the things I do at Schol Bio workshops is work with students to identify the key themes that run through the exam questions from year to year. On the macro scale, there are three: human evolution, genetics, and animal & plant behaviour/responses to the environment (with an occasional admixture of biotechnology). At yesterday’s […]

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cave bears and brown bears and and admixture, oh my!

Last week the story of a hybrid hominin was in the news: the discovery that remains found in Denisova Cave were those of a 13-year-old girl whose parents were a female Neandertal and a Denisovan male. This was exciting stuff: we already know, from genomic analysis, that interspecies matings involving Neanderthals, Denisovans, and H.sapiens happened […]

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human evolution – new discoveries, & how do we accommodate them in our teaching?

What follows is loosely based on a workshop I ran at this year's Biolive/ChemEd secondary science teachers' conference. (A most excellent conference, by the way – kudos to those organising & presenting.) I've added a bunch of hotlinked references. Back when I was in 7th form (or year 13 ie a rather long time ago), […]

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