If you hit the NYT paywall, at the very least watch the YouTube video that is linked on the page: https://youtu.be/J982KYWohT8 (it's from 2013)
Yeah, there's some science. But mostly, just an incredibly sweet story. Dr. Pilly, Chaser's owner, died last year at 89. Chaser also lived a long, happy life.
There's still a trick you can use on Android at least, but it's a little obscure. I'm worried some HN-reading NYT dev will file a JIRA for it if I post though. Play around for yourself, that's how I found it.
Yeah, there's some science. But mostly, just an incredibly sweet story. Dr. Pilly, Chaser's owner, died last year at 89. Chaser also lived a long, happy life.