Mathilde L. Tissier @mathildetissier.bsky.social · 23/09/2026Have you discussed with your doctors about potential cutaneous mastocytosis? Or mast cell activation syndrome? Mastocytes are immune cells, causing allergic-like reactions (not though IgE or IgA though) and known to be sensitive to emotions, among other things. 100
Reposted by Mathilde L. TissierJudy Trinh @judytrinh.bsky.social · 22/09/2026Seniors who were protesting Mark Carney’s Bill c39 and fast tracking of environmental reviews arrested and charged with trespassing on Parliament Hill. 56506267
Reposted by Mathilde L. TissierRadio-Canada Info @info.radio-canada.ca · 10/09/2026rc.caOttawa renonce à contourner la loi sur les espèces en péril pour les grands projetsDes associations affirment toutefois qu'Ottawa peut toujours contourner la Loi par d'autres moyens. 094
Reposted by Mathilde L. TissierAinslie Cruickshank @ainsliecruickshank.bsky.social · 10/09/2026It's been another tough year for gray whales — as of mid-August 187 have washed up along the west coast of North America, many of them showing signs of starvation. I wrote up a summary of what's been happening over the last few years for @sciam.bsky.social www.scientificamerican.com/article/gray...scientificamerican.comGray whales are washing up dead on the West Coast. The reason is alarmingUp and down the Pacific coast, dead gray whales are mysteriously washing ashore—and scientists think they know why 03726
Reposted by Mathilde L. TissierMathilde L. Tissier @mathildetissier.bsky.social · 04/09/2026This parliamentary petition is a call for #pesticide regulation to be science-based and precautionary in Canada. Sign and share. www.ourcommons.ca/petitions/en...ourcommons.caPetition e-7742 - Petitions 001
Reposted by Mathilde L. TissierMathilde L. Tissier @mathildetissier.bsky.social · 04/09/2026Pétition parlementaire pour que la réglementation des #pesticides au Canada repose sur des données scientifiques et s'appuie sur le principe de précaution. www.ourcommons.ca/petitions/en... À circuler.ourcommons.caPetition e-7742 - Petitions 022
Mathilde L. Tissier @mathildetissier.bsky.social · 04/09/2026Pétition parlementaire pour que la réglementation des #pesticides au Canada repose sur des données scientifiques et s'appuie sur le principe de précaution. www.ourcommons.ca/petitions/en... À circuler.ourcommons.caPetition e-7742 - Petitions 022
Mathilde L. Tissier @mathildetissier.bsky.social · 04/09/2026This parliamentary petition is a call for #pesticide regulation to be science-based and precautionary in Canada. Sign and share. www.ourcommons.ca/petitions/en...ourcommons.caPetition e-7742 - Petitions 001
Reposted by Mathilde L. TissierIPBES @ipbes.net · 18/08/2026Did you know? 🐝 Pollinators support 5-8% of global crop production. Researchers observed that managed honeybees can’t compensate for wild pollinator losses nor keep pace with the growth in pollinator-dependent crops. Read more in The Guardian: ow.ly/o3IH50ZAq5p 02710
Reposted by Mathilde L. TissierWildPosh Project @wildposh.eu · 12/08/2026Did you know Europe is running out of taxonomists - the experts who identify pollinator species? 🐝 The Pollinator Academy is an open-source platform from 25 European institutes, offering free courses, ID tools & field guides for all experience levels. 📖 👉 Check them out: pollinatoracademy.eupollinatoracademy.euPollinator AcademyThe Pollinator Academy is a learning platform with integrated taxonomic tools and information on European pollinators. 056
Reposted by Mathilde L. TissierMarco Festa-Bianchet 🇨🇦 @marcofesta.bsky.social · 12/08/2026Lettre par 5 anciens présidents du Comité sur la Situation des Espèces en Péril au Canada, dont moi, dénonçant le document de travail sur les projets majeurs fédéraux qui propose d'ignorer la Loi sur les Espèces en Péril. Je suis le contact pour médias francophones www.sfu.ca/~amooers/sci...sfu.ca 033
Reposted by Mathilde L. TissierRan Blekhman @blekhman.bsky.social · 09/08/2026Huge faculty recruitment effort at the University of Chicago -- a division-wide, open-rank search looking to hire about 20 faculty across 5 research areas in biology. Come be our colleague! Full announcement: uchicago.app.box.com/s/ckih9zv3rj... 3222232
Mathilde L. Tissier @mathildetissier.bsky.social · 07/08/2026"𝘗𝘦𝘯𝘥𝘢𝘯𝘵 𝘲𝘶𝘦 𝘯𝘰𝘶𝘴, 𝘢𝘨𝘳𝘪𝘤𝘶𝘭𝘵𝘦𝘶𝘳𝘴, 𝘦𝘴𝘴𝘢𝘺𝘰𝘯𝘴 𝘥𝘦 𝘱𝘳𝘰𝘥𝘶𝘪𝘳𝘦 𝘢𝘷𝘦𝘤 𝘶𝘯 𝘤𝘭𝘪𝘮𝘢𝘵 𝘲𝘶𝘪 𝘢 déjà changé, 𝘭𝘦𝘴 débats 𝘱𝘶𝘣𝘭𝘪𝘤𝘴 𝘴𝘶𝘳 𝘭'𝘢𝘷𝘦𝘯𝘪𝘳 𝘥𝘦 𝘭'𝘢𝘨𝘳𝘪𝘤𝘶𝘭𝘵𝘶𝘳𝘦 𝘴𝘦 𝘴𝘶𝘤𝘤èd𝘦𝘯𝘵 mais 𝘱𝘦𝘪𝘯𝘦𝘯𝘵 à répondre 𝘢𝘶𝘹 difficultés 𝘢𝘶𝘹𝘲𝘶𝘦𝘭𝘭𝘦𝘴 𝘯𝘰𝘶𝘴 𝘴𝘰𝘮𝘮𝘦𝘴 confrontés 𝘦𝘵 à préparer 𝘭'𝘢𝘨𝘳𝘪𝘤𝘶𝘭𝘵𝘶𝘳𝘦 𝘢𝘶 𝘤𝘭𝘪𝘮𝘢𝘵 𝘥𝘦 𝘥𝘦𝘮𝘢𝘪𝘯..." 000
Mathilde L. Tissier @mathildetissier.bsky.social · 07/08/2026"𝘍𝘢𝘤𝘦 à cette réalité, 𝘶𝘯𝘦 𝘪𝘮𝘮𝘦𝘯𝘴𝘦 majorité 𝘥'𝘦𝘯𝘵𝘳𝘦 𝘯𝘰𝘶𝘴 𝘴𝘢𝘪𝘵 𝘲𝘶𝘦 𝘥𝘦𝘴 𝘤𝘩𝘢𝘯𝘨𝘦𝘮𝘦𝘯𝘵𝘴 𝘥𝘦 𝘱𝘳𝘢𝘵𝘪𝘲𝘶𝘦𝘴 𝘴𝘰𝘯𝘵 𝘥𝘦𝘷𝘦𝘯𝘶𝘴 𝘪𝘯𝘥𝘪𝘴𝘱𝘦𝘯𝘴𝘢𝘣𝘭𝘦𝘴. 𝘔𝘪𝘦𝘶𝘹 𝘦𝘯𝘤𝘰𝘳𝘦 : 𝘭𝘢 𝘱𝘳𝘰𝘧𝘦𝘴𝘴𝘪𝘰𝘯 𝘦𝘴𝘵 prête à l𝘦𝘴 𝘦𝘯𝘨𝘢𝘨𝘦𝘳, 𝘱𝘢𝘳 𝘱𝘢𝘴𝘴𝘪𝘰𝘯 𝘥𝘶 métier, 𝘥𝘶 𝘵𝘦𝘳𝘳𝘰𝘪𝘳 𝘦𝘵 𝘥𝘦𝘴 𝘢𝘭𝘪𝘮𝘦𝘯𝘵𝘴 𝘱𝘳𝘰𝘥𝘶𝘪𝘵𝘴." 100
Mathilde L. Tissier @mathildetissier.bsky.social · 07/08/2026"Le dérèglement climatique n'est plus une menace d'un avenir plus ou moins proche. Il est le présent. *Pour nous agriculteur, il est devenu un bourreau* ." www.lesechos.fr/idees-debats... 100
Reposted by Mathilde L. TissierMathilde L. Tissier @mathildetissier.bsky.social · 06/08/2026Thank you WPC. "Sheila Colla was widely admired. She was far more than a brilliant scientist and conservation leader. She was a fierce advocate for environmental and social justice and was incredibly skilled and determined at bridging the gap between science, community, and politics." 1105
Mathilde L. Tissier @mathildetissier.bsky.social · 06/08/2026The Sheila Colla Pollinator Research Fund will provide scholarships for graduate students studying at-risk pollinators in Canada. To respect Sheila's passion and advocacy, the fund will prioritize awards to students belonging to historically excluded groups. wildlifepreservation.ca/sheila-colla...wildlifepreservation.caSheila Colla Pollinator Research Conservation Fund - Wildlife Preservation CanadaWildlife Preservation Canada’s mission is to save animal species at risk from extinction in Canada by providing direct, hands-on care. 010
Mathilde L. Tissier @mathildetissier.bsky.social · 06/08/2026Thank you WPC. "Sheila Colla was widely admired. She was far more than a brilliant scientist and conservation leader. She was a fierce advocate for environmental and social justice and was incredibly skilled and determined at bridging the gap between science, community, and politics." 1105
Reposted by Mathilde L. TissierLe Devoir @ledevoir.com · 02/08/2026Ce que la famille Trump trame en Albanie peut tout à fait être compris comme une forme de colonialisme privé.ledevoir.comRévolution des flamants roses 2137
Reposted by Mathilde L. TissierMatt Bertone @bertonemyia.bsky.social · 01/08/2026Sometimes you've gotta go metallic to mimic your model! This common tropical hover #fly at the top is a convincing mimic of the local orchid #bees in the genus #Euglossa (bottom). #FlySchool2026 #Syrphidae: #Ornidia obesa Soltis Center, Costa Rica 321861
Reposted by Mathilde L. TissierNahel Belgherze @wxnb.bsky.social · 31/07/2026Bordeaux, France, has now recorded more days above 40°C in 2026 alone than during the entire 105-year period from 1920 (when observations began) to 2025. This is deeply shocking. 8236472102
Reposted by Mathilde L. TissierMarco Festa-Bianchet 🇨🇦 @marcofesta.bsky.social · 31/07/2026Liber Ero postdoc deadline Nov 1. Exceptional opportunity for research in conservation in Canada - highly competitive, best to have gov't and Indigenous partners liberero.ca 0912
Reposted by Mathilde L. TissierLe Devoir @ledevoir.com · 27/07/2026Les conséquences s’annoncent «catastrophiques», a affirmé la ministre française de la Transition écologique.ledevoir.comLa faune piégée dans l’enfer des incendies en France 143
Reposted by Mathilde L. TissierActualités françaises 🇫🇷 @news-flows-fr.bsky.social · 22/07/2026Que dit la science sur l'acétamipride et le flupyradifurone, les deux pesticides qui pourraient être réintroduits après l'adoption de la loi d'urgence agricole ? De nombreux chercheurs pointent les risques de ces insecticides pour les pollinisateurs, mais aussi pour d'autres animaux ainsi que...franceinfo.frQue dit la science sur l'acétamipride et le flupyradifurone, les deux pesticides qui pourraient être réintroduits après l'adoption de la loi d'urgence agricole ?De nombreux chercheurs pointent les risques de ces insecticides pour les pollinisateurs, mais aussi pour d'autres animaux ainsi que les humains, malgré leur autorisation dans l'Union européenne. 001
Reposted by Mathilde L. TissierCanada's National Observer @nationalobserver.com · 21/07/2026One of the lesser-known services Thomson Reuters offers is Consolidated Lead Evaluation and Reporting, or CLEAR, a database that compiles individuals’ private information not normally accessible to law enforcement.nationalobserver.comThomson Reuters to share American information with ICE in new dealWhile the company insists it has "safeguards" in place to prevent misuse of the information, some experts say the US$125-billion deal is a "red flag." 59165
Reposted by Mathilde L. Tissierfranceinfo @franceinfo.fr · 16/07/2026Des épisodes orageux ont provoqué des dégâts dans plusieurs départements mercredi. Le plus touché a été l'Ardèche.l.franceinfo.fr"On a pris des boules de pétanque sur la tête" : en Ardèche, des orages et des averses de grêle d'une violence "jamais vue" 066
Reposted by Mathilde L. TissierActus FR @actusfr.bsky.social · 16/07/2026"Des grêlons gros comme le poing" : la France frappée par de violents orages 🗞️ TF1 Info - 🕐 15/07 22:04 #actu #news #presse #tf1infotf1info.fr"Des grêlons gros comme le poing" : la France frappée par de violents oragesLes premiers orages sont arrivés en Ardèche ce mercredi, accompagnés de grêle et de vent jusqu’à 140 km/h en rafales. En Charente-Maritime, les habitants ont également dû faire face à des intempéries violentes faisant des dégâts importants. Ce soir e... [1747 chars] 011
Reposted by Mathilde L. TissierSud Ouest @sudouest.fr · 16/07/2026Vignobles endommagés, toitures éventrées, voitures abîmées : un violent orage de grêle cause des dégâts importants en Ardèchel.sudouest.frVignobles endommagés, toitures éventrées, voitures abîmées : un violent orage de grêle cause des dégâts importants en Ardèche 012
Reposted by Mathilde L. Tissierici Drôme Ardèche @dromeardeche.ici.fr · 16/07/2026Grêle à Aubenas : résidence séniors évacuée, des dizaines de personnes relogées et des dégâts considérables. ➡️ l.ici.fr/vZzC 011
Reposted by Mathilde L. TissierThe Globe and Mail @theglobeandmail.com · 16/07/2026theglobeandmail.comImmigration department pauses applications to sponsor parents, grandparents to settle in CanadaOttawa cut its target for new permanent residents under the program to 15,000 a year in the 2025 budget 2114
Reposted by Mathilde L. TissierChristine N Meynard @cnmeynard.bsky.social · 02/06/2026Encore un recrutement @cbgpmontpellier.bsky.social cette fois-ci sur un profil IE Data Scientist en écologie, forte composante bases de données. Voir les détail dans l'annonce! 021
Reposted by Mathilde L. TissierKavitha Kannan @kavskannan.bsky.social · 25/06/2026I ate a lot of mangoes this summer in India, and somehow kept wondering how this fruit comes to be. My first science write-up dives deep into it, and is featured in today’s edition of The Hindu. www.thehindu.com/sci-tech/ene...thehindu.comKingmakers: Meet the insects that make India’s famed mangoesDiscover how vital insects, like bees, play a crucial role in pollinating India's beloved mangoes and their conservation. 251
Reposted by Mathilde L. TissierMarco Festa-Bianchet 🇨🇦 @marcofesta.bsky.social · 16/06/2026It's a red kangaroo. Always amazed by people's weird decisions. And just how does one smuggle a roo into Canada? If someone is willing to fork out 6 grands, the incentive is there. www.cbc.ca/news/canada/...cbc.caRunaway marsupial on Montreal's South Shore sparks animal trafficking concerns | CBC NewsFor the last few days, a small marsupial has been on the loose on Montreal’s South Shore, after it likely escaped from illegal captivity, say animal rights advocates and Quebec's Environment Ministry. 241
Reposted by Mathilde L. TissierThomas Gerbet @thomasgerbet.bsky.social · 08/06/2026Des chercheurs de 13 universités dénoncent le projet de loi C-30 qui permettra au gouvernement Carney d’invalider la science. Il donnera le pouvoir au Conseil des ministres de réautoriser des pesticides risqués interdits par Santé Canada. ici.radio-canada.ca/nouvelle/225...ici.radio-canada.caOttawa veut pouvoir réautoriser des pesticides interditsAvec le projet de loi C-30, le gouvernement de Mark Carney pourra invalider des décisions basées sur la science de Santé Canada au sujet des pesticides. 157132
Mathilde L. Tissier @mathildetissier.bsky.social · 08/06/2026Comme nous l'expliquons dans une lettre au sujet du projet de loi C-30 "Il n’existe aucun fondement scientifique ou autre motif raisonnable pour justifier qu’une décision réglementaire soit infirmée par le Conseil des ministres après que Santé Canada a mené des examens approfondis." 152
Reposted by Mathilde L. TissierS Otto @sarperotto.bsky.social · 22/05/2026Even Harper 'Did Not Put Extinction on the Table' @thetyee.ca thetyee.ca/News/2026/05... by @sarahcox.bsky.social Please submit comments on Major Projects proposal by June 7 www.canada.ca/en/one-canad.... Some projects can be approved even if they drive species extinct & proceed without assessmentthetyee.caEven Harper ‘Did Not Put Extinction on the Table’ | The TyeeCarney’s proposal to allow major projects that threaten species at risk is ‘morally wrong,’ former environment minister says. 0168
Reposted by Mathilde L. Tissierbeespeaker @loriweidenhammer.ca · 02/06/2026Love those Sitka bumble bees with the classic fluffy pink butt! #mcloughlingardens #bees 0266
Reposted by Mathilde L. TissierCNRS @cnrs.fr · 01/06/2026#Communiqué 🗞️ La France lance Dynabiod, un programme de recherche sur la biodiversité terrestre. Piloté par le @cnrs.fr et le @mnhn.fr, il vise à comprendre l’impact des activités humaines sur les plantes et invertébrés pour mieux protéger les écosystèmes. 👉 www.cnrs.fr/fr/presse/fr... 02011
Reposted by Mathilde L. TissierCamille Troisi @camilletroisi.bsky.social · 01/06/2026🚨We're hiring again, this time for a research assistant position 🚨 The position is to help with a project looking at learning and social behaviour in birds along an urban gradient Position at @ceec-research.bsky.social 📆28th June deadline More info: shorturl.at/vBxiW #ringing #fieldwork 05266
Reposted by Mathilde L. TissierSusan Johnston @susanjohnston.bsky.social · 01/06/2026📣🧬 Postdoc Alert🧬📣 We are hiring a 2+ year NERC-funded postdoc at Edinburgh Uni investigating causes and consequences of sex differences in recombination in house sparrows in Norway. Informal enquiries welcome at Susan.Johnston@ed.ac.uk 🙂 Details here: elxw.fa.em3.oraclecloud.com/hcmUI/Candid... 071115
Reposted by Mathilde L. TissierLarry Neufeld @larryneufeldsk.bsky.social · 29/05/2026Canada’s nature strategy needs science and transparency, not spending cuts www.hilltimes.com/2026/05/28/c...hilltimes.comCanada’s nature strategy needs science and transparency, not spending cuts - The Hill TimesProtecting biodiversity requires more than targets on paper. It depends on sustained investment in three pillars of scientific capacity: long-term monitoring, scientific expertise and recovery infrast... 051
Reposted by Mathilde L. TissierLe Devoir @ledevoir.com · 26/05/2026Déçu par les reculs environnementaux à Ottawa, il devrait annoncer sa décision mercredi.ledevoir.comL’ex-ministre Steven Guilbeault quittera la vie politique 171
Reposted by Mathilde L. TissierPaul Williams @paulwilliamsnhm.bsky.social · 22/05/2026New evolutionary tree for all of the world's bumblebee species, from (1) slow-evolving nuclear genes, (2) fast-evolving mitochondrial genes, and (3) results from genomic data, to provide a complete starting point for comparative studies of all bumblebees www.researchgate.net/publication/... 14319
Reposted by Mathilde L. TissierGreg Owens @gregowens.bsky.social · 20/05/2026UVic is hiring a Terrestrial Plant Ecologist Assistant Professor! Come join our department! We're nice and Victoria is awesome. www.uvic.ca/science/biol...uvic.caFaculty Position in Terrestrial Plant Ecology - University of VictoriaDepartment: Biology                 &am... 04165
Reposted by Mathilde L. TissierRyan Katz-Rosene, PhD @ryankatzrosene.bsky.social · 12/05/2026Very cool version of this monthly global average surface temperature anomaly chart showing both El Niño and La Niña years 311186502
Reposted by Mathilde L. TissierAerin Jacob, PhD @aerinj.bsky.social · 10/05/2026Who do I know currently or recently serving on the council, executive, or similar leadership role in scientific professional societies and nature-related clubs in Canada? 346
Reposted by Mathilde L. TissierTF1 Info - Actualités du jour en direct : Actualité en France e… @tf1info.fr.web.brid.gy · 29/04/2026tf1info.frVÉRIF' - Les ours mangent-ils vraiment des champignons toxiques pour ressentir leurs effets psychoactifs ?Une publication en ligne nous explique qu'en Russie et en Amérique du Nord, des ours consomment des champignons toxiques pour leurs effets psychoactifs. Ce message s'accompagne d'une vidéo sur laquelle on observe un ourson en quelque sorte "drogué" après avoir mangé une amanite tue-mouches. Gare à cette séquence, tirée d'un film de 1988 : les chercheurs étudiant le comportement des ours n'observent pas ce type d'habitudes alimentaires à l'état sauvage. 011
Reposted by Mathilde L. Tissier🌾 Dr. Liz Anna Kozik 🌾 @chaseprairie.bsky.social · 21/04/2026quick, look at an Andrena vs Colletes comparison before it becomes irrelevant, until like July. Colletes are big spring guys and only show up rarely later in the year. 59943
Reposted by Mathilde L. TissierThe Washington Post @washingtonpost.com · 25/04/2026Breaking news: Multiple scientists who serve on an independent board established to guide the nation’s nearly $9 billion basic science funding agency were terminated from their positions Friday by President Trump.washingtonpost.comTrump ousts National Science Board membersMembers of the independent board that guides the National Science Foundation said they received a notice from the White House that their position was being terminated. 78586432