If you just wanted blogs (i.e. no twitter+tumblr) the following are blogs I personally like that post frequently in rough order of how useful/insightful I have found them,
mindingourway.com
slatestarcodex.com
srconstantin.wordpress.com
thingofthings.wordpress.com
malcolmocean.com
agentyduck.blogspot.com
https://blog.jaibot.com/
lukemuehlhauser.com
meteuphoric.wordpress.com
There are a few that are very infrequent but very good when they do post,
relentlessdawn.wordpress.com
http://www.theunforgivingminute.co/
https://alexvermeer.com/blog/
If you just wanted blogs (i.e. no twitter+tumblr) the following are blogs I personally like that post frequently in rough order of how useful/insightful I have found them,
mindingourway.com
slatestarcodex.com
srconstantin.wordpress.com
thingofthings.wordpress.com
malcolmocean.com
agentyduck.blogspot.com
https://blog.jaibot.com/
lukemuehlhauser.com
meteuphoric.wordpress.com
There are a few that are very infrequent but very good when they do post,
relentlessdawn.wordpress.com
http://www.theunforgivingminute.co/
https://alexvermeer.com/blog/