Le saviez-vous ? Des scientifiques ont découvert la plus ancienne empreinte humaine jamais trouvée ! C’est un pas unique figé dans le temps, laissé par un humain ancien il y a plus de 1,2 million d'années en Espagne. Cette empreinte nous offre un aperçu rare de la manière dont nos lointains ancêtres vivaient et se déplaçaient. Ce qui est fascinant, c’est qu’elle a été préservée dans de la boue qui s’est durcie avec le temps, presque comme une capsule temporelle de la nature. Les chercheurs pensent qu'elle a été réalisée par un jeune individu, peut-être membre d'un groupe familial explorant la région. C’est incroyable de penser qu’une simple empreinte peut nous en apprendre autant sur notre passé lointain ! Animation créée par Sympa.
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FunTranscript
00:00Look at this.
00:02Researchers have just found footprints that are not very old,
00:06of a family of humans that disappeared a long time ago.
00:08Hang on tight.
00:10300,000 years.
00:11These footprints belong to a group of Homo Heidelbergensis.
00:15It's rather difficult to pronounce, but I got it.
00:17These men were therefore very advanced for their time.
00:20They built houses and hunted big animals.
00:23Unfortunately, they could not stand climate change
00:26and disappeared about 28,000 years ago.
00:29No, this was not the fight of the Homo Heidelbergensis.
00:31Believe me, the weather was really rough at the time
00:34and they could not settle for a doudoune like we do today.
00:38A team from the University of Tübingen made this discovery in Germany,
00:42where it found footprints perfectly preserved in a forest on the edge of a lake.
00:46Apparently, elephants, rhinos and other animals
00:50came to rest on the water, just like this Heidelberg family.
00:54Scientists think it was probably a family outing
00:58and not a group of adult hunters,
01:00because there were also footprints of small children.
01:03Depending on the season, they could eat plants, fruits,
01:06leaves, shoots and mushrooms all around the lake.
01:09Experts even found traces of a species of missing elephant
01:12weighing up to 13 tons.
01:14Can you imagine seeing one of these elephants in person?
01:17As a reminder, 13 tons is about 45 times the weight of a pig.
01:21Grunt, grunt.
01:23While digging in Schöningen,
01:25the researchers came across elephant footprints 55 cm long.
01:29Yes, more than half a meter.
01:31And they even found fragments of wood in the urns left by the elephants.
01:35But wait, that's not all.
01:37They also discovered a rhinoceros footprint dating from Pleistocene,
01:41which is quite incredible.
01:43This is the first time they have found a footprint of this species in Europe.
01:46No one could have imagined that rhinoceros had such big legs,
01:50except for this huge beast to walk on.
01:52Meanwhile, in New Mexico,
01:54British and American archaeologists
01:56found ancient footprints of non-human beings
01:58dating from 23,000 years ago.
02:00They used radiocarbon dating
02:02to determine when these footprints were made.
02:05And it turns out that they date back to the last maximum glaciers.
02:08At that time, glaciers covered a large part of North America,
02:13and the sea level was lower than today.
02:17We have always thought that humans arrived in North America
02:2013,000 to 16,000 years ago.
02:22But these footprints suggest that our ancestors
02:24wandered in this area much earlier than that.
02:27Some even think that humans were already present in North America
02:3133,000 years ago, but not everyone is convinced.
02:38Well, and if there are footprints,
02:40there must have been shoes too, right?
02:43Researchers may not have found Gucci moccasins,
02:46even if they have existed since 1953.
02:49But they discovered a cave in Armenia
02:51filled with ancient objects dating from the age of copper.
02:53And guess what?
02:54Among these objects was a very well-preserved shoe,
02:58which is today the oldest shoe ever discovered.
03:01This shoe was made of a single piece of cow leather,
03:04which is rather rare today,
03:06despite all the sophisticated technological improvements we have.
03:11This is what we call high quality.
03:13Today, the most connected shoe makers
03:16try to copy this cutting technique.
03:19This shoe was also coated with a kind of vegetable oil
03:23for greater durability.
03:25It even had laces that crossed through a series of holes,
03:29just like our favorite sports shoes.
03:31This model for women,
03:33of a size equivalent to a small 39,
03:36suggests that it was custom-made for a wealthy person.
03:40Could you imagine wearing such shoes at the time?
03:43We had to talk about it all over the village.
03:45And since we are talking about shoes,
03:47you know this unpleasant feeling
03:49that you feel when you walk on something sticky.
03:52Especially if you wear a pair of brand new white sneakers.
03:55No, don't be afraid,
03:57I'm just talking about chewing gum.
03:59A big jumble stuck to his shoe,
04:01it's a real disaster.
04:03During a search in Finland,
04:05Sarah Pekin, a British student in ultra-cool archaeology,
04:08found a piece of neolithic chewing gum,
04:105,000 years old,
04:12made from work scabbard.
04:14It even had teeth marks.
04:16Who would have thought that our ancestors
04:18also liked chewing gums?
04:20Apparently, the work scabbard
04:22has antiseptic properties.
04:24It is therefore thought that the people of the Neolithic
04:26chewed it to treat mouth and gums infections.
04:30It would therefore seem that humanity
04:32has been consuming chewing gums since the dawn of time.
04:35What a tradition!
04:37The creators of the distant past
04:39did not only have shoes to offer
04:41to prehistoric fashionistas.
04:43You will never find a piece like this
04:45in the large distribution.
04:47And I'm not sure you have more luck
04:49in high-end shops.
04:51Yes, this is the oldest handbag
04:53ever discovered.
04:55And yes, these little decorations,
04:57they are dog teeth.
04:59According to an archaeologist,
05:01these teeth were in full swing in 2500 BC.
05:03People put it everywhere,
05:05on clothes and jewelry.
05:07But this handbag had something special.
05:09It had more than a dozen teeth
05:11and was very elegant.
05:13Which means that its owner
05:15was surely a celebrity.
05:17Unfortunately, the handbag itself
05:19did not survive the test of time.
05:21All that remains are its teeth,
05:23oriented in the same direction
05:25and resembling a modern handbag flap.
05:27It must have been very chic at the time,
05:29but we did well to abandon this fashion
05:31for our accessories.
05:33Let's talk about the discovery
05:35of a dinosaur on the Yorkshire coast.
05:37It happens that scientists discover
05:39not human footprints,
05:41but dinosaur footprints.
05:43This time, they found a dinosaur footprint
05:45that could have been deposited
05:47by a predator during a break
05:49166 million years ago.
05:51Can you imagine a T-Rex
05:53lying on the beach,
05:55a smoothie in hand,
05:57this fossil of a meter long
05:59spotted in the Bay of Burnyston
06:01The team of researchers
06:03who studied the footprint
06:05concluded that it had been made
06:07by a giant carnivore,
06:09of the Megalosaurus type,
06:11a big hungry dino.
06:13This footprint is the largest
06:15left by a theropod,
06:17a group of bipedal dinosaurs,
06:19of which the sadly famous
06:21Tyrannosaurus rex is part.
06:23It is therefore a really large
06:25and frightening creature.
06:27A paleontologist at the University
06:29of New York found no evidence
06:31on the behavior of these carnivorous giants.
06:33Apparently, the characteristics
06:35of the footprint suggest that
06:37this great predator was crouching
06:39before getting up.
06:41Maybe he was doing yoga
06:43or going to the bathroom?
06:45Who knows?
06:47Another archaeologist,
06:49Mary Woods, came across this footprint
06:51while she was picking up shells
06:53on the shore.
06:55She said she hadn't believed her eyes.
06:57Mary Woods and Rob Taylor,
06:59a local fossil collector,
07:01saved the fragile footprint
07:03from the shore.
07:05Experts had warned them
07:07that it might be lost
07:09due to erosion or landslides.
07:11The footprint is now expected
07:13to be exhibited
07:15at the Rotunda Museum in Scarborough.
07:17But we have other news
07:19about these big missing animals.
07:21The drought in Texas
07:23revealed footprints
07:25recently discovered
07:27in the State Park of Dinosaur Valley,
07:29in northwest Texas.
07:31The drought caused the total
07:33erosion of a river
07:35that crosses the center of Texas.
07:37This is how these prehistoric footprints
07:39were finally discovered.
07:41This guy was a big guy,
07:43about 4.5 meters long
07:45and weighed 7 tons.
07:47He traveled the region
07:49more than 113 million years ago,
07:51according to the National Park.
07:53The dinosaurs were found
07:55because of the drought,
07:57and we estimate
07:59the total number of footprints
08:01of this dinosaur at 140.
08:03But that's not all.
08:05Sauroposeidon footprints
08:07were also discovered.
08:09This creature was 20 meters long
08:11and weighed about 48 tons.
08:13Experts think the Sauroposeidon
08:15was hunted by the Acrocanthosaurus,
08:17which explains why
08:19their footprints were found
08:21in the desert.
08:23Can a professor explain
08:25why the smallest eats the biggest?