{"items":[{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2025-07-07 04:18:51.623Z","domain":"novaparis.art.br","followerCount":0,"followers":"https://novaparis.art.br/users/amaral/followers","following":"https://novaparis.art.br/users/amaral/following","followingCount":0,"icon":"","id":"57wt3a55r770212","inbox":"https://novaparis.art.br/users/amaral/inbox","iri":"https://novaparis.art.br/users/amaral","isLocal":false,"last_fetched":"2025-08-30 09:47:10.305Z","outbox":"https://novaparis.art.br/users/amaral/outbox","preferred_username":"amaral","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqeQbvL68KZ1aYrkL2Xoh\nMRQK4MJllrHwNRnP4grXnwDbpyzyjTTT9KsQ/bL21LAMipSmnJCM0AXsT6RzZ7cn\n5J+lUOdnKzNemCeykclVWSVJHBTxJxnWgYOjkGVsyJCykOcUumFAMs+811/QRBjz\njUpboaSAXNllvcQ+CUvMV9lZ1EmEY3e1ILOC+OMdk/skyv0RTgrajHasTKmeQJOr\n2Nt/eokTKzxigo4vvbsLS9DKRD97q1TQ+yXR/C9r/ANdkyLoFDStPiZh1hzANLBZ\n7dpFQ3zc8XU2tT9IWIgQAFFBHMzsSJOgA5Y10eft6j6gXeDI0TcPiBrIB7xHvkRL\nXwIDAQAB\n-----END PUBLIC KEY-----\n\n","published":"","summary":"","updated":"2025-08-30 09:47:10.305Z","user":"","username":"[]"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2025-07-10 23:28:42.351Z","domain":"social.vivaldi.net","followerCount":26,"followers":"https://social.vivaldi.net/users/ElwoodCity/followers","following":"https://social.vivaldi.net/users/ElwoodCity/following","followingCount":338,"icon":"https://social-cdn.vivaldi.net/system/accounts/avatars/114/093/695/949/678/451/original/3a6a29efcec14ce4.png","id":"j6r1z36xtxu4710","inbox":"https://social.vivaldi.net/users/ElwoodCity/inbox","iri":"https://social.vivaldi.net/users/ElwoodCity","isLocal":false,"last_fetched":"2025-08-30 10:04:11.771Z","outbox":"https://social.vivaldi.net/users/ElwoodCity/outbox","preferred_username":"ElwoodCity","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA31MxLeB3L+pZqqQtinUW\nXpl3Egzro8u0iKSXNBHiNVsRWE3H4brRzebQD2GO792S7Pf0QABDJulWl5WUrA0t\nlcLhhSAKtBhv53meWfpp0je0T8c2w5e1zIiBLXM1wHhiMGWa7ZwbPc1ed1tLsOhD\nA1gmjTqJPZ7qEC66TtByvzTSkH/zcF8tRyOXwdhjUlID9CZFwHLtUh+uaaEDxaLI\nYlfMRyJJ9ikuVTnK7VIosJe4R9Uxf0ocbRxNXJc0CNuQt5HweFs/4nkdh5jqBTOc\nXCGEW3+7EvCj3wOKa++310ry6AtVhfol6Koss43GKduGJAgiLfPgAGEFhK4s+jak\n+QIDAQAB\n-----END PUBLIC KEY-----\n","published":"2025-03-02 00:00:00.000Z","summary":"

This is my secondary account - I'm found primarily on mstdn.ca. There have been some troubles there with mobile apps, and I haven't been able to access my account on my phone for a while, so I set this up to keep an eye on what you have to say when I'm away from my computer.

","updated":"2025-08-30 10:04:11.771Z","user":"","username":"ElwoodCity"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2025-07-10 14:54:22.002Z","domain":"social.schleswig-holstein.de","followerCount":23,"followers":"https://social.schleswig-holstein.de/users/mof_group_stock/followers","following":"https://social.schleswig-holstein.de/users/mof_group_stock/following","followingCount":11,"icon":"https://social.schleswig-holstein.de/system/accounts/avatars/113/832/008/017/085/581/original/c126e641196c82af.jpg","id":"5mp7nhsdl3o77sz","inbox":"https://social.schleswig-holstein.de/users/mof_group_stock/inbox","iri":"https://social.schleswig-holstein.de/users/mof_group_stock","isLocal":false,"last_fetched":"2025-08-30 10:04:11.891Z","outbox":"https://social.schleswig-holstein.de/users/mof_group_stock/outbox","preferred_username":"mof_group_stock","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3Ad+r27sJF2us3WfUCYC\nQ1helNw41kb/aBAkCWmKV+2SeKEm0VBk1Wed5zdrvrpzdFWrS3nbusq2KScMvHN5\n0Zq9WnBHdDvuyd32TfQ6H5mVzELf3w30eTTLkj92pX03uq5cfJDKNgSlWMScHaJM\nfpRTDGB6XZ6Nhb79TqN2iDH7/sYFo7E/8UYMXFQfy0Vgrx07VWqDMZNMm8mBonuL\nbNhBfr4ZhXa5FYuHgqCBgl8nzkp5aRjCSvKJ05oygILH+NsMEKG23zsOWldZG0U9\nv3y/tUNeNf6W6qAffIAo39vyvcntq259FTIUJ8PCW3GwRpeePxnqlyQ25JIJNvXq\nzQIDAQAB\n-----END PUBLIC KEY-----\n","published":"2025-01-15 00:00:00.000Z","summary":"

Metal-organic framework research at Kiel University.

","updated":"2025-08-30 10:04:11.891Z","user":"","username":"The Stock Group"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2025-07-07 04:40:28.431Z","domain":"mstdn.social","followerCount":410,"followers":"https://mstdn.social/users/Joyous/followers","following":"https://mstdn.social/users/Joyous/following","followingCount":4950,"icon":"https://media.mstdn.social/accounts/avatars/113/494/002/633/957/754/original/823a28b0fa97250c.jpeg","id":"crue40x1ccww588","inbox":"https://mstdn.social/users/Joyous/inbox","iri":"https://mstdn.social/users/Joyous","isLocal":false,"last_fetched":"2025-08-30 10:04:10.191Z","outbox":"https://mstdn.social/users/Joyous/outbox","preferred_username":"Joyous","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxOYh9V0168DfmVbTrx4Q\nLnsaNcpvGnponvkNC68LZ5w4k7C4iKPpVqk2QQnJhHfQXJ8MCjMBQuGGhAQfHnxS\nMvoZS4ejv81tGUV9dT504ASvrL+7Qrvh8cejPK7QHs1esDoVt6J8Tmt3Xn92u+dk\nQ9CpziK7fJtWvgROKHREEjEcJS+9YIDgI6VO+xPMqOcd8skLbTrge1Qb3xWhJ9X/\nuzETiED2N/Sul3UjKP2v8eD/Tf426W62npisNgLkdnRtMxha00oJZG/rNzihVoM9\n9yNQ48QGkd4/eFmA0zyfLmqO4RUiKaTg1n1k54A7fquIlJpQIT8VrUuyq/SLuELD\n0wIDAQAB\n-----END PUBLIC KEY-----\n","published":"2024-11-16 00:00:00.000Z","summary":"

𝐈'𝐦 𝐉𝐨𝐲𝐨𝐮𝐬. 𝐈'𝐦 𝐚 𝐟𝐚𝐬𝐡𝐢𝐨𝐧 𝐯𝐢𝐜𝐭𝐢𝐦 𝐚𝐧𝐝 𝐢𝐧𝐭𝐫𝐨𝐯𝐞𝐫𝐭 𝐥𝐨𝐨𝐤𝐢𝐧𝐠 𝐟𝐨𝐫𝐰𝐚𝐫𝐝 𝐭𝐨 𝐜𝐨𝐧𝐧𝐞𝐜𝐭𝐢𝐧𝐠 𝐰𝐢𝐭𝐡 𝐨𝐭𝐡𝐞𝐫 𝐜𝐫𝐞𝐚𝐭𝐢𝐯𝐞 𝐚𝐧𝐝 𝐤𝐢𝐧𝐝 𝐩𝐞𝐨𝐩𝐥𝐞. 𝐈'𝐦 𝐢𝐧𝐬𝐩𝐢𝐫𝐞𝐝 𝐛𝐲 𝐓𝐫𝐚𝐯𝐞𝐥 𝐚𝐧𝐝 𝐍𝐚𝐭𝐮𝐫𝐞.

","updated":"2025-08-30 10:04:10.191Z","user":"","username":"Joyous"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2025-07-07 17:39:09.090Z","domain":"mastodon.social","followerCount":817,"followers":"https://mastodon.social/users/danielbingham/followers","following":"https://mastodon.social/users/danielbingham/following","followingCount":5975,"icon":"https://files.mastodon.social/accounts/avatars/001/296/320/original/39a146abff642349.jpg","id":"bex78cvydq079r7","inbox":"https://mastodon.social/users/danielbingham/inbox","iri":"https://mastodon.social/users/danielbingham","isLocal":false,"last_fetched":"2025-08-30 09:47:11.518Z","outbox":"https://mastodon.social/users/danielbingham/outbox","preferred_username":"danielbingham","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAt9H7+ygZ30JBulU6enP5\nModktllPDyTVJVLxdwIOAFe5gKJCCc3VSbSR1dVzCWKNH5pT0ZVkA/ZGplR1L5N9\nAUIlUkVXFsxo8MW1annouMY5os/deFchTvoI0gTSty8cb50dRTYHkIodDIa15VwZ\nLgSWXlJWET+jsAzO20Twr0bhED384dVzWnJ1/jlzvyPYq8hhwCWTdgYIJBy80AGl\niQdYkCrSO0C75x6cu3laqldBuwNSRm/XjHQg9NOGG4quSvb0i6j7p3K8A0GDSWCj\njuJYQUh0S9Xn8m8e2HVc5q7D758bm8l3PPxAaNQNBbItwFiJna97tJKmtE+vI8sS\nkQIDAQAB\n-----END PUBLIC KEY-----\n","published":"2020-10-16 00:00:00.000Z","summary":"

Software engineer and policy geek in Indiana.

I've mostly worked on content and design platforms as a full stack engineer or led DevOps teams. I've worked on municipal policy around climate change, housing, public safety, and better democracy. I like cooperatives and democratic organizations.

Recently, I've been trying to build an #openaccess and #openscience commons.

Views my own. (he/him)

","updated":"2025-08-30 09:47:11.519Z","user":"","username":"Daniel Bingham"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2025-07-08 05:39:58.570Z","domain":"mastodontti.fi","followerCount":932,"followers":"https://mastodontti.fi/users/piiabartos/followers","following":"https://mastodontti.fi/users/piiabartos/following","followingCount":2345,"icon":"https://cdn.masto.host/mastodontti/accounts/avatars/109/269/027/223/881/792/original/22694cbc8fad121e.jpg","id":"2rokzj64zwcr6il","inbox":"https://mastodontti.fi/users/piiabartos/inbox","iri":"https://mastodontti.fi/users/piiabartos","isLocal":false,"last_fetched":"2025-08-30 10:04:12.080Z","outbox":"https://mastodontti.fi/users/piiabartos/outbox","preferred_username":"piiabartos","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuuOVZMqtD5FkLfbCYeJ0\nzhv1bK6hdnciOIRoj92gi9sTnI/T42xdxTYtCtPW3nv3yFI9cdsVRgz3Us9AtHO3\n4YVowKkaRK2ufEp6bb+QVfCd3kHflHOqBFfxygoEcnxoox8lipk+2aigN2tCbKTm\n2gMt5AM0jZ5VUY4kfutxQRvxEjg88kCMFmuSkdy+pqomuPxefuhMApiKtB9KW1Bv\n7AlAatSUreyviKf+euAjWh85LOdV8AKu5uTi1H+d0QTYbdS29+ZUZ12vVMocFSi/\nzD1waema6GtIIfBuJoTzazbe9dGlKg+MRZaadQmO3lSKq18698Hud0RQYwTyecNt\nMwIDAQAB\n-----END PUBLIC KEY-----\n","published":"2022-11-01 00:00:00.000Z","summary":"

Tutkija Itä-Suomen yliopistolla. Tietokoneavusteinen lääke-, proteiini- ja RNA-tutkimus. Kotona kissoja, lampaita, kanoja ja mehiläisiä.

Fedin päivystävä proviisori, lääkekysymyksiä saa laittaa tulemaan!

Researcher at University of Eastern Finland studying proteins, RNA and drugs using computational methods. At home cats, sheep, chickens and bees.

","updated":"2025-08-30 10:04:12.080Z","user":"","username":"Piia Bartos"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2025-07-22 03:47:44.633Z","domain":"schach.social","followerCount":449,"followers":"https://schach.social/users/leonidloew/followers","following":"https://schach.social/users/leonidloew/following","followingCount":2637,"icon":"https://schach.social/system/accounts/avatars/108/096/727/879/400/147/original/db5981f4ebd66c94.jpg","id":"8zgjh61tdl821z1","inbox":"https://schach.social/users/leonidloew/inbox","iri":"https://schach.social/users/leonidloew","isLocal":false,"last_fetched":"2025-08-30 10:04:12.164Z","outbox":"https://schach.social/users/leonidloew/outbox","preferred_username":"leonidloew","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwObCzPVgwuapq8zkWoaw\n0k2ym/oHlrW14cH5WWK4+nKhn7+10bwuFjOsKve7V6XMaCk0VuYSY6QziN2/8L/n\nEgkMluM4zvB3byIIp3JB1X/dcUvA9zfz8sXPVcwM49mugFynsAKrUXnqxOrjy+ja\nsBAwXeXlIC+M3sj2tK2GS2lhV7qzMAI0H8+1fyN4x5ER07MFHI7rWyx/kAI1mKLO\ntxggXQpUaUikIT+qWMLc0/b5vs5azyCzl5mIPHI27qBkHyT890Dz8Zn4i/OiWsRe\nDpPrQgTHtJz8rzmOhzd4wQyVCvB4vVp7BI10PVw3/OlIjvqRiBDSSYqoYtDmaH67\nGQIDAQAB\n-----END PUBLIC KEY-----\n","published":"2022-04-08 00:00:00.000Z","summary":"

:dsj: Stellvertretender Geschäftsführer und IT-Beauftragter bei der Deutschen @schachjugend
🗺 #Allersberg #Würzburg #Berlin
👨‍🏫 #Mathe #Chemie #Lehramt
💻 #satisfactory #dysmantle #dysonsphereprogram

","updated":"2025-08-30 10:04:12.164Z","user":"","username":"Leonid Löw"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2025-08-04 14:41:12.758Z","domain":"mas.to","followerCount":200,"followers":"https://mas.to/users/karat/followers","following":"https://mas.to/users/karat/following","followingCount":145,"icon":"https://media.mas.to/accounts/avatars/109/783/203/314/911/006/original/879a915f395def3f.jpeg","id":"9v8jq6q01b4mrqj","inbox":"https://mas.to/users/karat/inbox","iri":"https://mas.to/users/karat","isLocal":false,"last_fetched":"2025-08-30 10:04:12.225Z","outbox":"https://mas.to/users/karat/outbox","preferred_username":"karat","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA6eCwYUfjbWHchETHh91X\n9R6Iwdxl6LOr7GBE07UHOlduqk6bMo1IDmipDsR5nMILd5nfT4xhset0GDtcuWdu\na6OqswT3KfqpboOMcYNqcSnNkJ+yrrTF5giNCuck2ApYNuJ514wUbFGA+xH/DNCc\n4xGgt+AN286pVhHTNO+9bsJr3d8oT1rOtp4EwXye7jIKrGHnizqSDYXytQNQ935Y\nMn7MkmWkcAY7WiFHl3B01OG28meElIUMspCOuhsHTzJkef8oVUCcxrVMXvLKrCbu\nzdYIAGq5K3DcYgukIh4K1ZzJCJWDDa9XhUPdfsB01HdG6RMPeco3IET/dgEfjLXA\nywIDAQAB\n-----END PUBLIC KEY-----\n","published":"2023-01-31 00:00:00.000Z","summary":"

🧬 ⚗️ 👨‍🔬 🔬 Amateur Scientist | Analytical Chemist | Biochemist | Metabolomics, Proteomics, and some other Omicses sprinkled in there.

#teamProteome #teamMassSpec #metabolism #chromatography #massSpec #RStats

","updated":"2025-08-30 10:04:12.226Z","user":"","username":"Karat Sidhu"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2025-07-07 11:53:36.732Z","domain":"mastodon.social","followerCount":34422,"followers":"https://mastodon.social/users/openscience/followers","following":"https://mastodon.social/users/openscience/following","followingCount":14245,"icon":"https://files.mastodon.social/accounts/avatars/000/559/242/original/5576a38a15989b0a.png","id":"52pkzai96n3pigk","inbox":"https://mastodon.social/users/openscience/inbox","iri":"https://mastodon.social/users/openscience","isLocal":false,"last_fetched":"2025-08-30 10:04:12.336Z","outbox":"https://mastodon.social/users/openscience/outbox","preferred_username":"openscience","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA26PjKoaI5lzx7CVrp2k7\nAH9bcxK+PoZjYzadmmzrRp7eZj+jVk1cMVszrz9cBsiQnrUX6kFJa2RPe387A8RE\n5CHr3ENZe9001pTjFQBv4YGTvVqiSEizcsDfcaF8mqv/a27hmVtDWVGu9s/lSp1Y\nh30oaiqPpVA2KiETY+ocE8aqxqHAdPHgxAxLpC8tvor7AOuMmMUfynUsW9x6f43L\nPUR8chfI1JOVA1XZqCv9tq9T+vmLA/p3rx5KZSUTSSyXSdiNA+EFkbgZsBMpgk27\nkprjZnWpL7cqTFxGcjax/rgxDA6FeXoxUe+ezBvYjMYcetSfMYDrRVvVmOQ5vIR+\nmQIDAQAB\n-----END PUBLIC KEY-----\n","published":"2018-10-08 00:00:00.000Z","summary":"

Science must be opened — because science opens everything else! Sapere aude!

—————–—————————————
Boosts are most welcome 👍
—————–—————————————

#Science #OpenScience #OpenAccess #OpenData #reproducibility #OpenSource #foss #privacy #UnrestrictedFreeSpeech

","updated":"2025-08-30 10:04:12.337Z","user":"","username":"Open Science ✅"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2025-08-30 10:04:12.439Z","domain":"mastodon.social","followerCount":0,"followers":"https://mastodon.social/users/AndrewR_physics/followers","following":"https://mastodon.social/users/AndrewR_physics/following","followingCount":0,"icon":"https://files.mastodon.social/accounts/avatars/109/248/061/475/844/799/original/a05d6a508d971ab4.png","id":"qz57t7960gy1386","inbox":"https://mastodon.social/users/AndrewR_physics/inbox","iri":"https://mastodon.social/users/AndrewR_physics","isLocal":false,"last_fetched":"2025-08-30 10:04:12.439Z","outbox":"https://mastodon.social/users/AndrewR_physics/outbox","preferred_username":"AndrewR_physics","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtgFX/1ymSfEWgLxt12GB\nm/A0dGPOYBxY9pez2gnG4O6S31sS/pfYYrzhA9f1/Pol+dU8FzSqufnsX1REf/U9\n5VCSDHuP2DZ2Ped5cHxnWl3oN5W6OiFmwb8QLcPH3/P3HEGGeJvzqbF0faGP2G8l\nUy4Tut2tjBZj/ElNwnBhuRT0ZYku8d8Q4OrUUSwZQgBLVnKmAix/QH1daXFLrh5C\nUoukEJiSLvUhWIOSkD5gQus0Q/CDpMlJFbG5ceuw1ivo0QWX/gWU/WWjrCvanJGL\n/VFoyU9kmnXOyjLl3ieZ/fOE3gqx7JZ4shDfrdcC9ur8TOGYiSI2nFB2NQ+UNdky\nCQIDAQAB\n-----END PUBLIC KEY-----\n","published":"2022-10-28 00:00:00.000Z","summary":"

British Immigrant to Algonquin Territory (Ottawa, Canada). Used to do Surface Science Research. PhD in Physical Chemistry. Now more interested in Pedagogy and Teaching Physics at Carleton University. #BertieTheLabradoodle's human. He/him/his

","updated":"2025-08-30 10:04:12.439Z","user":"","username":"Andrew Robinson"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2025-08-26 12:35:03.384Z","domain":"mstdn.social","followerCount":6,"followers":"https://mstdn.social/users/MartinMosquera/followers","following":"https://mstdn.social/users/MartinMosquera/following","followingCount":23,"icon":"https://media.mstdn.social/accounts/avatars/109/536/981/990/208/117/original/b782a51ac231631f.png","id":"oyiy6so1cdq79dc","inbox":"https://mstdn.social/users/MartinMosquera/inbox","iri":"https://mstdn.social/users/MartinMosquera","isLocal":false,"last_fetched":"2025-08-30 10:04:12.545Z","outbox":"https://mstdn.social/users/MartinMosquera/outbox","preferred_username":"MartinMosquera","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAx3elf1JXAOcOkJn7pMgT\nE5mDFE/oY+f9kjn5nJDY0n+vAqEeSAPK9nmOQfwRiYUbGFS4VULVh+qgdd+IWBj6\nop2B8ElfnhdBUInPuhE58W1MGSt0Z5mJyvb4riiAc+rnlaUBHVYOBf+brPGTnaQR\n3aZCrMa9e6BzXhLbD25Ou8uzrXpLxUr0dEmKY1tsuw/k0d4h2XfNxGfE9Q8IbQI+\nOl4xLyRqEudWkq8v8HYq5goMqXkUQhZlXrJLxrPX6DM61Z+6b1ahBB2V8fkGIpFw\nkryRkaukAfUvucJh8fG6DtCCHGQ7Ho8+DkHYtnxoik1EJAFB8HbAs0B/cAdxt6Ou\nNwIDAQAB\n-----END PUBLIC KEY-----\n","published":"2022-12-18 00:00:00.000Z","summary":"

Chemistry Academic, theory and theory, interdisciplinary stuff, Montana State University, martinmosquera.com

","updated":"2025-08-30 10:04:12.546Z","user":"","username":"Martin Mosquera"}],"page":1,"perPage":10,"totalItems":60,"totalPages":6}

DrFlo

Followers