Hacker news -- https://news.ycombinator.com/

data scientist -- http://www.datatau.com/

Designers -- https://news.layervault.com/stories

finance -- http://www.boredbanker.com/

JavaScript -- http://www.echojs.com/

marketing -- http://www.inbound.org/

new Ideas -- http://firespotting.com/

growth hacking -- http://growthhackers.com/

tech -- https://lobste.rs/

finance (one more) -- http://www.streeteye.com/

biotech -- http://news.harlembiospace.com/

Others -- http://skimhn.com/ http://hckrnews.com/

(please add more)