How feasting black holes time their burps

Black holes are voracious eaters, but they’re also quite messy, and often after devouring a star, they’ll let out a big burp, launching jets of high energy particles through space. Now, in a recent study, a team of astrophysicists has figured out the formula behind the timing of these burps.

Also today: 

• Skiing, hiking and roads are taking a toll on wolverines
• The buzzy, chirpy sounds of the Jurassic forest
• A notorious invasive species has been here a lot longer than we thought. Does that matter?
• Anomalies suggest King Tut’s tomb may conceal hidden chambers

Quirks & Quarks has been nominated for a Signal Award! You can vote for us here. 

For more information about today’s episode, visit cbc.ca/quirks.