What cephalopods know, and how we know it

In Disney’s ‘Moana,’ the characters navigate using the stars, just like real Polynesian explorers − an astronomer explains how these methods work

Christopher Palma, Penn State

Disney’s ‘Moana’ movies have brought a new level of excitement for astronomy and wayfinding, says an astronomer who regularly hosts planetarium shows.

At 88, Pope Francis dances the tango with the global Catholic Church amid its culture wars

David M. Lantigua, University of Notre Dame

Francis’ vision for a ‘synodal’ church is one built on trust and relationships − a dance where partners work together.

The Wanamaker organ has been part of a treasured holiday tradition in Philly for over 100 years − a historian explains its illustrious past and uncertain future

Whitney Martinko, Villanova University

With Macy’s stores across the country shuttering, some Philadelphians are concerned about the fate of the 120-year-old instrument once touted as ‘the greatest organ in the world.’

What does the US attorney general actually do? A law professor explains

Listening for the right radio signals could be an effective way to track small drones

What are pharmacy benefit managers? A health economist explains how lack of competition drives up drug prices for everyone

After wildfires, ranchers face 2-year delay to graze cattle on federal land – is it doing more harm than good?

Whales can live way longer than scientists had thought, with potential lifespans as much as double previous estimates

‘Love Is Blind’ contestants count as employees − new US government agency finding could shake up reality TV production

The Conversation U.S. weekly news quiz

Fritz Holznagel, The Conversation

Here’s a question fromthis week’s edition:

The 1965 holiday classic "A Charlie Brown Christmas" almost didn't make it onto the air because network executives were afraid of what?

1. A. Pushback from the aluminum tree industry
2. B. Telling the Nativity story in prime time
3. C. Angry complaints about "hippie dancing"
4. D. Angry complaints from anti-bullying groups

Test your knowledge