Interactions and communicatin in english

Good morning, I´Peter and ican understand english language as well, I dominantly use present tens and i can in the future use thirty or fourty thousant vords and understand them. So its in this forum people that can write and correspondate in englis abou different fields abou interdisciplinary temes about sciene and school, daily communications, and about everythin what you have in you tongue. Do you know some good english forum for practisse scientific language?