Politics:
Science:
I did not know that galaxy clusters are connected by thin filaments of matter!
https://gizmodo.com/astronomers-spot-mysterious-10-million-light-year-long-1835301269/amp
I did not know that robocall blocking was already available from Verizon:
https://amp.cnn.com/cnn/2019/06/06/tech/robocalls-blocking-fcc/index.html
