Experts decoded the mysterious sounds coming from Antarctica’s icy waters, and the results are pretty wild. It turns out, these eerie noises are caused by shifting ice, underwater earthquakes, and even tiny sea creatures making sounds we can’t normally hear. The massive ice sheets creak and groan as they move, creating deep, rumbling noises that travel for miles. Some of the sounds are also linked to climate change, as melting glaciers release trapped air and water in strange bursts. Scientists are now using these sounds to track how fast the ice is melting and how the ocean is changing. So, what once sounded like something out of a sci-fi movie is actually giving us crucial clues about the future of our planet! Credit:
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Animation is created by Bright Side.
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FunTranscript
00:00Ooh, you're diving into the dark and icy waters of Antarctica.
00:05The airy blue darkness is enveloping you, reminiscent of the vast expanse of open space.
00:12In these depths, where you least expect to encounter any living creature, you suddenly
00:17hear a loud, strange sound.
00:20A quacking noise, as if a giant duck was hidden in the deep.
00:26In 1960, researchers first recorded this sound, and named it BioDuck.
00:32Clever!
00:33For decades, they tried to unravel the mystery of its source.
00:36Was it a giant kraken?
00:39An extraterrestrial spaceship that had crashed into the ocean?
00:42A mysterious sea monster?
00:44Or perhaps an enormous duck?
00:47There were many versions, one more bizarre than the other.
00:51Oceanographers detected similar sounds in other locations as well.
00:56Off the western coast of Australia, and near New Zealand, they recorded similar but higher
01:03pitch signals, which they named BioGoose.
01:07It seems the creepy atmosphere of this story disappears with such names.
01:11Anyways, these sounds were not isolated incidents.
01:14They happened multiple times with consistent intervals.
01:18Many initially thought the source must be mechanical, given the regularity of the sounds.
01:23However, studying the oceans in the latter half of the 20th century was challenging because
01:28of limited technologies.
01:30Nevertheless, scientists persisted in collecting data on BioDuck and BioGoose, driven by their
01:36insatiable curiosity.
01:40As more data accumulated, so did the theories.
01:43But scientists eventually uncovered the mystery.
01:47BioDuck turned out to be a form of communication with a biological origin.
01:51When researchers analyzed the repeating sounds, they noticed that the signals never overlapped.
01:58One source would speak while the others remained silent, suggesting a form of communication.
02:04The question remained, which ocean creature possessed such an extraordinary method of
02:08communicating through varied frequency sounds?
02:12The answer, as many have guessed, is whales.
02:16Scientists compared the BioDuck sound from Antarctica with the calls of minke whales
02:21and found striking similarities.
02:24The BioGoose sounds from the waters off Australia and New Zealand likely belonged to other species
02:30or very young minke whales.
02:32This discovery, however, only deepened the mystery.
02:35What purpose did these sounds serve?
02:37Were the whales discussing their dinner plans, laughing at the humans recording their voices,
02:43or perhaps sharing deep insights about the universe?
02:47The possibilities were endless, but the most astonishing revelation was that humans might
02:51one day learn to communicate with these magnificent creatures.
02:58Communicating with whales is no longer a far-fetched idea.
03:02Scientists from the University of California have already established contact with a humpback
03:06whale named Twain.
03:08In a groundbreaking experiment, researchers conducted a 20-minute conversation with the
03:13marine mammal.
03:14Here's how they did it.
03:17The specialists went on a marine expedition to the coast of Alaska, where they recorded
03:21the sounds of a group of humpback whales.
03:25Then they played these sounds through speakers, sending the signals back into the ocean.
03:30The recorded sounds resembled a greeting, like, hey, what's up, but in the whale language.
03:36These greetings are used by whales to call each other or indicate their location.
03:41Soon after sending the signals, the researchers received a response.
03:45Twain approached the boat, circled it, and replied with a hey of its own.
03:50This marked the beginning of the first-ever human-whale conversation.
03:53For 20 minutes, the scientists sent 36 signals to Twain, and each time the whale responded.
04:01Moreover, it waited for time intervals before answering.
04:05That is, the team received a response from the whale, waited 10 seconds, and turned on
04:10the sound again.
04:12Researchers then waited 10 seconds and answered.
04:14It seems that Twain was a very delicate interlocutor.
04:18Maybe it was a gentleman in the whale world, who knows?
04:22Or maybe it was simply intrigued by the unusual interaction.
04:27The signals used in this communication belonged to a group of whales that included Twain.
04:32It's likely that the researchers had recorded Twain's own sounds and used them to communicate
04:37with it.
04:38In a sense, Twain was conversing with itself.
04:42Now let's continue our journey and venture into the deepest oceanic trench on Earth,
04:47the Mariana Trench.
04:48A quick reminder, the Mariana Trench is a colossal chasm in the ocean floor, stretching
04:54over 1,500 miles south of Japan and reaching a depth of nearly 36,000 feet at its deepest
05:00point.
05:01To put that into perspective, the height of the Burj Khalifa, the world's tallest building,
05:06is like one-tenth of the Mariana Trench's depth.
05:10Now imagine this.
05:11In this deep, dark abyss, scientists recorded a strange sound.
05:22Unlike Bioduck, this sound resembled something from a science-fiction movie.
05:27A low rumble, followed by a metallic ping, reminiscent of the sounds made by spaceships
05:37in sci-fi movies.
05:39Researchers named this mysterious phenomenon Biotwang noises.
05:44Scientists first detected this strange sound in 2014 during an acoustic survey of the Mariana
05:49Trench, and they quickly identified its source – whales.
05:54Specifically, Bride's whales.
05:57Using artificial intelligence, researchers analyzed around 200,000 hours of audio recordings
06:03from the ocean and found matches with a group of Bride's whales.
06:07Like other animals, these whales use sounds as a form of communication.
06:13Did you know what else was found at the bottom of the Mariana Trench?
06:16A plastic bottle.
06:18It's unlikely it was done by a kraken or a whale or some type of monster.
06:23Everything is simpler here.
06:24The bottle ended up there because of a human.
06:27But that's a topic for another video.
06:29Okay, let's deal with one more sound.
06:33No whales this time, just a mysterious sound in the loneliest place on Earth.
06:38This place is called Point Nemo, and that's why it's so lonely.
06:42Located in the South Pacific Ocean, Point Nemo is the most remote spot from any land.
06:48The nearest island is 1,450 nautical miles away.
06:51It's about the same long distance from land in all other directions.
06:55Moreover, here, there's almost no marine life since few water currents reach this spot,
07:01and therefore, few nutrients are supplied.
07:04In a sense, it's a water desert.
07:07And so, in 1997, oceanographers recorded a very strange and frightening sound coming
07:13from the depths in the area of Point Nemo.
07:21It was something gigantic and scary.
07:24People called it the Bloop.
07:27As soon as journalists found out about this phenomenon, people around the world began
07:31to invent the most fantastic versions.
07:34The most popular of them was that the sound's source was a giant sea monster, kraken, or
07:39some other creature.
07:42The hype around the Bloop didn't last very long.
07:45Scientists managed to find out the nature of the mysterious noise.
07:49It turned out it belonged to an iceberg.
07:53When they crack and collapse, they create powerful ultra-low-frequency sounds that can
07:58be heard from a very long distance.
08:02To confirm this version, scientists recorded the sounds of other icebergs and heard something
08:07similar to the Bloop.
08:10By the way, Point Nemo is so lonely that space agencies drop out-of-service satellites here.
08:17Space objects just fall in the water.
08:19There's a 99% chance that no animal or human will be harmed by falling debris in this lonely
08:24place.
08:25That's why many people call it the Satellite Cemetery.
08:29But what if, someday, a spaceship from another planet falls here?
08:34What if it has already fallen in Point Nemo and, sometimes, emits an emergency signal
08:39that breaks through the ocean?
08:44All the mysteries you have heard have already been solved.
08:47How about we end this video with a mystery that still baffles scientists?
08:51Meet Upsweep, one of the most mysterious sounds ever recorded in the ocean.
09:01It's not just noise.
09:02It's a series of sharp ascending tones repeated at intervals of several seconds.
09:08It was first discovered in 1991 using hydrophones installed in the Pacific Ocean.
09:14At first, oceanographers suggested that Upsweep could be associated with volcanic activity
09:19or underwater earthquakes.
09:22But the seasonal nature of the sound and its intensity change depending on the time of
09:26year, which rules out these versions.
09:30People began to consider hypotheses related to the biological life of the ocean.
09:35They studied the migration routes of marine animals and their behavior at different times
09:39of the year.
09:40However, despite all efforts, the sound source has not been identified.
09:46Some studies suggest that Upsweep may be associated with certain species of fish or other marine
09:51animals that make sounds for communication or navigation.
09:55But no one has been able to prove it.
09:59That's it for today!
10:00So, hey, if you pacified your curiosity, then give the video a like and share it with your
10:04friends.
10:05Or if you want more, just click on these videos and stay on the Bright Side!