George Knapp shares items of recent interest including an article about sounds made by galaxy clusters:
Gigantic Galaxy Clusters Sing a Spooky Song into the Cosmos
A quantum experiment suggests there’s no such thing as objective reality
How the Increasing Belief in Extraterrestrials Inspires Our Real World
Robbie Williams admits he’s afraid of being ‘taken over by hitchhiking aliens’ after visit to UFO-plagued ranch
The Epic Hunt for a Lost World War II Aircraft Carrier
Does a new genetic analysis finally reveal the identity of Jack the Ripper?