Uploaded May 2026 | Updated September 2026, 2 weeks ago
Support this channel on Patreon to help me make this a full time job: patreon.com/whatdamath (Unreleased videos, extra footage, DMs, no ads)
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Hello and welcome! My name is Anton and in this video, we will talk about recent T-Rex discoveries and an explanation for why those tiny arms exist
Links:
royalsocietypublishing.org/rspb/article/293/2071/20260528/481779/Drivers-and-mechanisms-of-convergent-forelimb
nature.com/articles/s41598-025-06981-z
carolinajournal.com/historic-discovery-rewrites-t-rex-history
nature.com/articles/s41598-026-38600-w
theconversation.com/tyrannosaurus-rex-our-new-research-shows-it-covered-its-enormous-teeth-with-lips-202761
Previous videos: youtube.com/watch?v=9TNYSlqyFMI
youtube.com/watch?v=tWq3IrO9K3U
youtube.com/watch?v=9A_jOMVFTpw
#trex #dinosaur #biology
0:00 T-rex updates and unexpected discoveries
1:20 So why were its arms so tiny?
3:30 Convergent evolution
5:45 Scotty the t-rex contained blood vessels
6:45 T-rex had cute lips
8:10 It came from America
8:55 Nanotyrannus is not a t-rex
10:10 Implications and conclusions
Enjoy and please subscribe
Bitcoin/Ethereum to spare? Donate them here to help this channel grow!
bc1qnkl3nk0zt7w0xzrgur9pnkcduj7a3xxllcn7d4
or ETH: 0x60f088B10b03115405d313f964BeA93eF0Bd3DbF
The hardware used to record these videos:
New Camera: amzn.to/4pCVINS
CPU: amzn.to/4qXIaxC
Video Card: amzn.to/2M1W26C
Motherboard: amzn.to/2JYGiQQ
RAM: amzn.to/2Mwy2t4
PSU: amzn.to/2LZcrIH
Case: amzn.to/2MwJZz4
Microphone: amzn.to/2t5jTv0
Mixer: amzn.to/2JOL0oF
Recording and Editing: amzn.to/2LX6uvU
Some of the above are affiliate links, meaning I would get a (very small) percentage of the price paid.
Thank you to all Patreon supporters of this channel
Special thanks also goes to all the wonderful supporters of the channel through YouTube Memberships
Credit:
Mark Garlick markgarlick.com
Evolutionnumber9 - CC Y SA 4.0 en.wikipedia.org/wiki/Tyrannosaurus#/media/File:The_Right_Arm_of_SUE.jpg
Ddinodan CC BY 4.0 en.wikipedia.org/wiki/Tyrannosaurus#/media/File:Tyrannosaurus_mcraeensis.png/2
abelov2014 CC BY 3.0 deviantart.com/abelov2014/art/Tyrannosaurus-rex-Nanotyrannus-lancensis-577519535
ScottRobertAnselmo CC BY SA 3.0 en.wikipedia.org/wiki/Tyrannosaurus#/media/File:Tyrannosaurus_Rex_Holotype.jpg
Fred Wierum CC BY SA 4.0 en.wikipedia.org/wiki/Carnotaurus#/media/File:Carnotaurus_Reconstruction_(2022).png
Nobu Tamura CC BY 2.5 en.wikipedia.org/wiki/Giganotosaurus#/media/File:Giganotosaurus_BW.jpg
KoprX CC BY SA 4.0 en.wikipedia.org/wiki/Sauropoda#/media/File:Longest_dinosaurs2.svg
Matt Celeskey CC BY SA 2.0 en.wikipedia.org/wiki/Nanotyrannus#/media/File:Jane_(composite_photo).jpg
Licenses used:
creativecommons.org/licenses/by/4.0
and relevant Creative Commons licenses
Support this channel on Patreon to help me make this a full time job: patreon.com/whatdamath (Unreleased videos, extra footage, DMs, no ads)
Alternatively, PayPal donations can be sent here: paypal.me/whatdamath
Get a Wonderful Person Tee: teespring.com/stores/whatdamath
More cool designs are on Amazon: amzn.to/3QFIrFX
Hello and welcome! My name is Anton and in this video, we will talk about recent T-Rex discoveries and an explanation for why those tiny arms exist
Links:
royalsocietypublishing.org/rspb/article/293/2071/20260528/481779/Drivers-and-mechanisms-of-convergent-forelimb
nature.com/articles/s41598-025-06981-z
carolinajournal.com/historic-discovery-rewrites-t-rex-history
nature.com/articles/s41598-026-38600-w
theconversation.com/tyrannosaurus-rex-our-new-research-shows-it-covered-its-enormous-teeth-with-lips-202761
Previous videos: youtube.com/watch?v=9TNYSlqyFMI
youtube.com/watch?v=tWq3IrO9K3U
youtube.com/watch?v=9A_jOMVFTpw
#trex #dinosaur #biology
0:00 T-rex updates and unexpected discoveries
1:20 So why were its arms so tiny?
3:30 Convergent evolution
5:45 Scotty the t-rex contained blood vessels
6:45 T-rex had cute lips
8:10 It came from America
8:55 Nanotyrannus is not a t-rex
10:10 Implications and conclusions
Enjoy and please subscribe
Bitcoin/Ethereum to spare? Donate them here to help this channel grow!
bc1qnkl3nk0zt7w0xzrgur9pnkcduj7a3xxllcn7d4
or ETH: 0x60f088B10b03115405d313f964BeA93eF0Bd3DbF
The hardware used to record these videos:
New Camera: amzn.to/4pCVINS
CPU: amzn.to/4qXIaxC
Video Card: amzn.to/2M1W26C
Motherboard: amzn.to/2JYGiQQ
RAM: amzn.to/2Mwy2t4
PSU: amzn.to/2LZcrIH
Case: amzn.to/2MwJZz4
Microphone: amzn.to/2t5jTv0
Mixer: amzn.to/2JOL0oF
Recording and Editing: amzn.to/2LX6uvU
Some of the above are affiliate links, meaning I would get a (very small) percentage of the price paid.
Thank you to all Patreon supporters of this channel
Special thanks also goes to all the wonderful supporters of the channel through YouTube Memberships
Credit:
Mark Garlick markgarlick.com
Evolutionnumber9 - CC Y SA 4.0 en.wikipedia.org/wiki/Tyrannosaurus#/media/File:The_Right_Arm_of_SUE.jpg
Ddinodan CC BY 4.0 en.wikipedia.org/wiki/Tyrannosaurus#/media/File:Tyrannosaurus_mcraeensis.png/2
abelov2014 CC BY 3.0 deviantart.com/abelov2014/art/Tyrannosaurus-rex-Nanotyrannus-lancensis-577519535
ScottRobertAnselmo CC BY SA 3.0 en.wikipedia.org/wiki/Tyrannosaurus#/media/File:Tyrannosaurus_Rex_Holotype.jpg
Fred Wierum CC BY SA 4.0 en.wikipedia.org/wiki/Carnotaurus#/media/File:Carnotaurus_Reconstruction_(2022).png
Nobu Tamura CC BY 2.5 en.wikipedia.org/wiki/Giganotosaurus#/media/File:Giganotosaurus_BW.jpg
KoprX CC BY SA 4.0 en.wikipedia.org/wiki/Sauropoda#/media/File:Longest_dinosaurs2.svg
Matt Celeskey CC BY SA 2.0 en.wikipedia.org/wiki/Nanotyrannus#/media/File:Jane_(composite_photo).jpg
Licenses used:
creativecommons.org/licenses/by/4.0
and relevant Creative Commons licenses
