Kevin Roose and Casey Newton, the hosts of “Hard Fork” at The New York Times, spoke with Andrew Marley, executive director for Effective Altruism DC, about how much water A.I. data centers use.

On the “Hard Fork” podcast, the hosts Kevin Roose and Casey Newton discuss a new law in Australia barring kids under 16 from social media.

The “Hard Fork” co-hosts Kevin Roose and Casey Newton sing an original, tech-inspired rendition of “The Twelve Days of Christmas.”

In conversation with Kevin Roose and Casey Newton on the “Hard Fork” podcast, the former Roomba C.E.O. Colin Angle shares how YouTube’s viral shark cat brought him joy in 2008.