A terrifying T. rex of the sea, and more…
5/29/202654 min
The newly described Tylosaurus rex was a violent bus-sized Komodo dragon-like creature with serrated teeth. Dubbed the ‘T. rex of the sea,’ it would have occupied the top of the food chain in the marine ecosystem over 80 million years ago.
PLUS:
Pigeons use their livers to find their way homeFrom the archives: How Jocelyn Bell Burnell discovered pulsars Scientists discover an underground network of lakes hidden under Arctic ice New book explores the million year history of how we sleep — and why we’re doing it wrong today
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First 90 secondsSpeaker 10:00
If you're listening to this, I already know you have great taste in podcasts. But maybe, if you're like me, you still wonder if you're missing out on the best stuff. That's where the Sounds Good newsletter can help you out. Every other Thursday, the audio files at CBC Podcasts highlight one must-hear show and lots of other new and noteworthy titles. They do conversation starters, they do hidden gems, and they also tell you about the stuff they love that they didn't make. Go to cbc.ca/soundsgood to subscribe.
David Ridgen0:30
[upbeat music] This is a CBC podcast.
Bob McDonald· Host0:33
[upbeat music] Hi, I'm Bob McDonald. Welcome to Quirks & Quarks. On this week's show, the unexpected way pigeons find their way home.
Clevia Lisowski· Guest0:46
This is completely new and fundamentally changes our understanding of both the immune system and animal navigation.
Bob McDonald· Host0:53
And a bus-sized Komodo dragon-like lizard that once ruled a sea of monsters.
Emilia Zietlow· Guest0:59
Even as fossils, they're kind of intimidating to be around because they're so big and so heavy, and the teeth are still pretty sharp even after 80-ish million years.
Bob McDonald· Host1:08
Plus, a look back at the discovery of pulsars, big changes with Arctic glaciers in a warming climate, and how the way we sleep has changed over time. All this today on Quirks & Quarks. [pigeon cooing] Pigeons these days