John Speakman
Scientist interested in energy balance - hence obesity and aging. Running labs in China (Shenzhen) and Scotland (Aberdeen). Co_EIC life metabolism. Also likes photography: especially wildlife.
- RACMEM 2025 is over and everyone is home safely. Time for some relaxation and photography. White throated kingfisher. zoom in for feather details. Nikon Z9 with 600m f4 lens. 1/1000s f5.6.
- Immature black winged stilt. Shenzhen. October 2025. Nikon z9 600mm f4 1/10000s
- RACMEM 2025 Important notice Registrations will close on the 30th September (or when venue capacity is reached if sooner). Late registrations will not be accepted. If you wish to attend and didn't yet register this is your last chance. Please register at www.racmem.com Please retweet.
- Bee fly eye. Zoom in for detail of ommatidia. Nikon z9 with 105,, f2.8 macro and 250 Raynox. 1/6400 s f10
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- Bee fly with pollen on its face. Nikon z9 with 105mm f2.8 macro lens and Raynox 250. 1/6400 s f10.
- Two flies on a dead shrew. Nikon Z9 with 105mm f2.8 macro lens with raynox 250 fitted. !/6400 s f4
- Singer and bassist. Meeting jazz club, Shenzhen. Nikon Z6
- Li River. Guilin to Yongshou. 2006. Taken on film and now digitised.
- flying carrion crow against blue sky. Aberdeen, Scotland, UK. August 2025. Nikon Z9 with 200mm f2.8 lens. 1/10000s
- RACMEM 2025 Abstract submission for contributed short talks and posters is now open. There will be a bunch of 500 USD prizes for the best talks and posters, by ECRs, post docs and students. Abstract submission form at racmem.com
- wood pigeon on silver birch tree. Aberdeen. May 2025.
- Chinese pond heron in summer plumage. May 2025. Shenzhen. Nikon z6.
- Reposted by John SpeakmanFood insecurity drives obesity and adiposity, but how is unclear. A recent study by @clemmensenc.bsky.social developed a mouse model for this phenomenon lnkd.in/d8pEp2qv Happy to share a commentary written with @johnspeakman4.bsky.social with our take on that study doi.org/10.1002/oby....
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- RACMEM 2025 to be held in Shenzhen 13th to 17th October is now open for registration. Please spread the word. www.racmem.org
- Looking for new drugs to treat obesity by repurposing old ones. Very happy to have been part of this study looking at the weight loss effects of Halofuginone acting via both FGF21 and GDF15. In Science Advances www.science.org/doi/10.1126/...
- Coming soon. Registration for RACMEM 2025 to be held in Shenzhen China will open in early April. Keep an eye on the site www.racmem.com places limited to 230. please retweet (or whatever the equivalent is on here)
- Thanks Dan for posting.
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- Yellow-eyed penguin. OPERA Eco reserve. Otago peninsula, near Dunedin, South island, New Zealand.
- Paradise shelduck in the afternoon sun. New Zealand endemic. Christchurch. Feb 2025. Nikon z6 with 120mm lens. F4 1/3200s
- University of Canterbury. Christchurch, New Zealand. Feb 2025
- Gannet coming in to land looking like a ballerina. They are so graceful in the air but so clumsy on the ground. Murawai gannet colony, North Island, New Zealand. February 2025. Nikon z9 with 200mm 1/4000s f14.
- Australasian Gannet in flight. Murawai gannet colony. North Island, New Zealand. February 2025. Nikon Z9 with 200mm lens. 1/3200s f14
- Swamp hen adult. Auckland. New Zealand. January 2025. Nikon Z9 200mm lens. 1/4000s f5.6.
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- Spur-winged plover. Auckland. New Zealand. Nikon z9 200mm lens. hand held 1/4000s f8
- Immature swamp hen stepping out. PiHa North Island, New Zealand. January 2025. Nikon Z9 200mm + 2x converter. 1/4000 f8
- A rather angry looking spotted dove. Auckland, New Zealand. Nikon Z9. 200mm lens with 2x converter. f5.6 1/1250s hand held.
- Tikaokao Quail New Zealand. Auckland. North Island. Nikon Z9 200mm lens with 2x teleconverter. f 5.6 1/1250s January 2025
- LIFE METABOLISM Travel awards @lifemetabolism.bsky.social sponsored by @sablesys.bsky.social and the final winner is Elijah Lowenstein @lowensteined.bsky.social from BIDMC, Harvard to attend the Keystone meeting on Ingestive behaviour. Congratulations...
- LIFE METABOLISM Travel prizes @lifemetabolism.bsky.social Sponsored by @sablesys.bsky.social Our 3rd winner is Zeyuan Zhang from Stanford who will present his work on novel products of the CART gene at the Metabolic signalling cold spring harbor meeting Congrats...
- LIFE METABOLISM Travel awards. @lifemetabolism.bsky.social sponsored by @sablesys.bsky.social Our 2nd prize winner is @lundjens.bsky.social from the Novo-nordisk foundation to attend the keystone meeting in Banff to show his work on whether fatness drives obesity in mice on HFD Congrats..
- LIFE METABOLISM Travel award @lifemetabolism2 Sponsored by @SableSys The first of our 4 winners is Enchen Zhou from UC San Diego who will go to the ADA meeting In Chicago this summer to present his work on Liver X receptors in the gut Congratulations...
- @lifemetabolism.bsky.social LIFE METABOLISM travel awards Sorry for the delay in reaching a decision on these awards sponsored by @sablesys.bsky.social . This year we had a very strong field which has necessitated several rounds of review. Finally, the decisions about who has won have been made 1/2
- Nice piece in Science about our recent paper in Nature Food on dietary misreporting. www.science.org/content/arti...
- Sunset over Shenzhen. January 2025.
