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Does Micro-CT scanning damage DNA in museum specimens?X-ray micro-computed tomography and DNA sequencing are useful and increasingly common tools in taxonomy and collections research. Whilst the benefits of each method are continually evaluated and debated individually, how the methods impact each other requires more attention. We compared DNA fragment length and the barcode sequence CO1 in samples throughout a CT-scanning protocol, for a range of X-ray exposures and energies. We found no evidence of DNA damage, but advise caution when using precious or archival material, highlighting the need for further investigations and considering potential areas for research.
Mastodon and on and on…a moving storyThis is the latest chapter in the history of the mastodon (Mammut americanum (Kerr, 1792)) specimen on display at the Natural History Museum (NHM) in London (UK), and continues from the story told by Lindsay (1991). The specimen was selected to be one of the new exhibits for the Wonder Bays of the refurbished Hintze Hall, at the heart of the Waterhouse building. Residing, until recently, on open display in a different exhibition space, the mastodon required stabilisation and careful dismantling before transportation and reassembly in its new site.