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So the three species of T-Rex are the tyrant lizard King, Queen, and Emperor, damn these things just can't help but be badass. Even with the dorkiest, nerdiest clade of humans using a dead language can't make this thing uncool!

Tip: you can easily watch this video at 1.35 x normal playback speed. :)

This is my second viewing of this excellent presentation. It is still inspiring.

Interesting video. Thank you

jesus christ that voice sounds awful

Theory: maybe the ,"Ancient One's", of the now ,"America's",have always been the true native peoples. Instead of coming from another land, they could have populated near the coastlines of America's. As the water rose they moved inland and that's why all artifacts date back to a similar time.Well the same time at numerous locations around the America's which would be impossible if people's traveled from the same route to inhabit the America's.

Great presentation. thx

This is my dream doc thank you for sharing

I live in Maryland would love to volunteer to help with surveys and conservation.

I got some arrowheads Id like for you to look at.....we have a dozen good ones ,complete......I'm over on Harford county side ,I'm at the only eroding foreshore in Harford other than out on APG....Get in touch a d we can meet up sometime, I know where a site is ,pottery with designs ,quartzite stemmed ,chert triangles ,ect.

We need an animation showing every orogeny, accretion and rifting event to fully see it all. Maybe. Thanks for so much insight!

The Oella schist look like gneiss to me. Maybe even a migmatite.

I live in Fl. Between the Aucilla and Econfina river and I found a cool spot with a huge circular stone withe a whole in the center,a square table or chair,chips and small quarries at the edge of a cypress hammock where they had unearthed stones that were mostly left......I did find a nice piece of chert... The skidders are destroying the site everey 20 years when they crop there pines...such a pitty...these things should be in a museum..... Awesome guest.

Very good video , very interesting as I am relating where I am now to this video , my area where we are hunting artifacts is port walthall and the Appomattox river , john smith supposed to of landed here also , this is a job site and will be erased away forever, we have been fining Loved the video , wish I could learn more about who was actually here

Some of the Centris and Tetrapedia bees buid their nest on cavities like the mazon, and leaf cutter bees. Can those oil collecting bees been raisen like the leaf cutter and mazon bees? Do they need you to clean their nesting areas to keep them pest-free, like the other 2 species?

Look up mystery sink or emerald sink in florida.

Out west over 15 years fieldwork, dozens of classic Clovis, one Folsom, hundreds of Stem points, no Cumberland, one Northumberland or Crowfield, which in the Great basin is called Tulare Lake, no Barnes. Three Large Paleo Corner-notched. Nice video.

Too many ums and uhs

The best understanding of the fluted 'notch' on the Clovis type point: it's formed to assist in the hafting (securing) of the blade onto the split (& shaped) end of a spear. This was accomplished by using thin cordage in conjunction with natural adhesives (tree resins). p.s. big fan of Dr Jessi Halligan ~

Greetings from the BIG SKY. The YD it sounds like.

This is the most accurate documentary I've ever seen on the Susquehannock, my great grandmother's native indigenous tribe. Thank you so much for this. 🙏

Say what you will say and stop all that umh umh um

Those fishtail points from the Lake George site look very similar to some Clovis age points from South America

There's also Tyrannosaurus macraensis.

The "3 species of tyrant" bit really gets at something. People want to name things - make their mark, so to speak. Given that we live on average 80 years, trying to define an animal that, in some form, existed for 25 thousand times that long (assuming T-rex lasted 2 million years)........obviously there's going to be some change there. I know that cladistics is the "best fit" solution we have for understanding what we discover, and that's very useful for describing things. I wish more researchers and scientists would point out that every little thing we get is just a snapshot, with millions of years before and after missing. People can't even agree on speciation with extant animals, within their own lifetime. Maybe we need a different framework for extinct animals? It just seems somewhat broken. Why are we expending brain-power trying to differentiate slow species progression.....instead of evaluating, over time, with the snapshots we get, what was successful, what failed, what lasted, what didn't? I guess I know the answer: You don't get to name anything if you do research like that. Still, I'd love to see it.

What a beautiful balanced and informative lecture.

*PromoSM*

Thank you for a very informative Video, this is important information to all who love our past.

I like jugs 😂😂😂

Hello beautiful 🤩 ❤❤❤

Stop over here and show me 😅😅😅

What do you do 😂😂😂

It is fairly obvious if you want to haft a point, reducing the thinknesss would enable easier fixation. If you have made these weapons you would know.

So interesting!! I'm fascinated with your research!!

Excellent presentation. I am very interested in this history

what about all the ''last animals'' going extinct right now before our very eyes? got any white rhino breeding programs? there's only one left? how does this happen while we watch?

The story is, on this site, long time ago, Krug pooped.

what a great presentation. I am on the Board of a Museum that owns about 2,000 points. I know that there were 2 points documented years ago as being paleo-Indian points but they were either lent out and never returned or lost somewhere in the collection. Now I have a better idea of what I'm looking for. Much easier to look for fluting than looking at them with a ruler and comparing them to two crummy photos I have from an archaeological journal. Thank you so much!

This is an unfolding tragedy across the world.

So with the Yellow Ratsnake now being a full species with the new 2021 rearrangement. Where does the Everglades Rat Snake (Orange with Stripes )now stand? I have always believed that they are a Yellow Rat snake, just an Orange 🍊 variation. Ratsnake Taxonomy was confusing until you posted this amazing breakdowns, thank you 👍👍

👍👍🎯

Learning about the Geology of the US East Coast and the Appalachian Mountains is my passion! I cannot stop learning about it. I am so interested in plate tectonics. More specifically, the Wilson Cycle and how it shaped the Appalachian Mountains. I am fascinated how this same cycle of oceans closing, orogenic events, and subsequent rifting occurs over billions of years. I am very interested in the details of how convergent plate boundaries transition to rifting. And how a pristine ocean like the Atlantic, possibly forms subduction zones in the future to complete the Wilson cycle. I am also interested in why this cycle seems to repeat over and over again with the same land masses (generally speaking).

He must have been to the smithsnonion if he lost his artifact 😂😂😂

No new news on Trex in this talk. Boring lecture.

I can't imagine living without the Flora of Virginia app! I've had it since the day it was introduced at the Tri State Conference in 2017.

awesome information

I’m related to the infant and mother

날갯짓~~ 49:47

Does superposition work with metamorphic rocks.

Grew up around loch Raven. We had a fishing spot called the cliffs. It was an old quarry. I think it was very light color possibly marble. Cliffs were near valley Crest road and 1 mile down a dirt road.