the sounds of bio diversity tourism community development, reliable food to move to the united nations development program is listening and working with communities to protect far as for the future we want if you're hearing what we're hearing, find out more the it came from the direction of the sun, no telescopes are coming. in february 2013 allowed shock waves blasted through the russian city of chileya bents, injuring hundreds of people. a meteor had exploded at an altitude of 30 kilometers . it measured just 20 meters across the cost, extensive damage. how can we protect ourselves from the threat of space rocks hurtling towards our planets? that them more coming up on tomorrow today. the dw sign show the giant

asteroid totals towards the threatening to bring huge destruction. thankfully right now, just hypothetical astronaut products on the guest is familiar with projectiles from out of space doing research expedition to on talk to he collected meet your rights fragments of asteroids. some good. i think a game, of course with very show that asteroids will collide with the know including larger ones. although we don't know the exact full ability. when it does happen, we'll need to defend ourselves. but 1st, we need to know how to defend ourselves, stuff in this vicinity to escape. that's why the hare approved named after the greek goddess of marriage is now on its way to an asteroid. for closer examination, the european space agency pro, or travel for 2 years to reach the asteroid dine wolf. this will be the 2nd

visit to the asteroid. in 2021, and that's the lowest approach. as a test, it deliberately crushed into the asteroid, the so the team of scientists observing from a huge success the experiment, not the asteroid, of course. now the european hair approach will study the impact crater on dime office. in september 2020 full on and off craft waited on the thomas at cologne bone airport. it was to transport the pro which is about the size of a many bus to the rocket launch sites in the us. the head of the project manager was on hand to ensure everything was done correctly. so today is a very special day uh for your uh, we're writing literally

a page of space history. where shipping be here, a spacecraft, uh to the launch site in florida. it is a project that goes beyond march, or bates is what we call, i mean for planetary mission to reach and last roy and study and find the dates. planned very defines, which means human kinds ability to deflect faster. right. and for the planets or tara is expected to on so many questions. what is the asteroids math? what is it made of? how long? which is the crates are left by the collision with the nasa approved did time office break apart completely. and it's now just held together by its own gravity. the nasa approved impacts change the asteroids course. scientists know this because dime office old it says a noun around the logic asteroid. the impact schultz and it's all of it. so instead of 12 hours, it now takes time office just 11 and

a half hours to over it. it's launch at partner to the head of the pro. it was assembled here at the gym and aerospace company o h. b in breyman. companies for more than 18 countries, contributed pulse on expertise. gemini played a major role, for example, the congress. what developed manufactured and tested by space company gain of tronic use or for this rob, inconspicuous rectangle can see it was a mini satellite the next level later, a hot while i've been here in the spring. when a jack, just such a light that will fly to the asteroid and sleep positivity, most of we invest face is what it will look like in space. 2 cubes, that's the size of a shoe box will approach the asteroid. the cube says will fly normally for a couple of months now. like for every spacecraft uh at the end of its life. before

switching off we'll try some experiments. so you have an fest with lands on the more fuss, retrieving the razor, and tie less to gather information on the gravity field from the surface. if the mission succeeds on 412 hair a instruments function as intended, scientists hope to develop models for defending the earth against asteroids. right now, we don't know enough about them. escaped, want to see the others. could they do very site, some asteroids and made of rock, while others are made of iron and have a heavy eye in cool life to then the red light to comment like ones made of frozen gas and da so so this means this surface structure composition and density are entirely different. so any defense mission would need to be planned and taken to account what the asteroid is made on the sun. most asteroid federal through space without ever posing a threat to. but if a law adjust royd with a strength,

it could be catastrophic. it was likely an asteroid, the white top, the dinosaurs, for example. but after the head of admission, we should be better prepared for the future. for dinosaurs that faithful asteroid signal the end. that was 66000000 years ago. the pre historic giants had rule the earth for some 170000000 years. then we'll know for a 1000 species, some were carnivores, others fed on plants. we're still learning more. in fact, just recently, scientists and germany made some stunning discoveries for the paleontologist at the museum of natural history. understood god this dinosaur fossil offers unusual insights into prehistoric diet. many of the fossils here like this, excuse or are exceptionally well preserved. munsey. so you can see the vertebrae

of a smaller vsl. that's very rare, that helps us understand the food chain. so to 8, to this small, brightly colored terrace, or it doesn't have an under bite, its teeth and johns are perfectly adapted to scoop up its favorite meal. when samuel cooper studied the fossil closely, he discovered what this creature 8180000000 years ago. very excited. yes it's, it's very nice to look on this. i'm actually quite historic materials that the specimen was collected move and 70 years ago. and in here, this black area is the remains of the fossilized stock. and in the stomach, we find the remains of slowly some fish buttons. this small terrace, or with this last on the adjusted meal has helped to advance kindly into logical research. so full help build the full we could only guess what terrace was 8. based

on the shape of the teeth, but now we have direct evidence of a hill to help him direct him vice paleontologists and stood guard, also made a surprising discovery about the diet of another terrace, or based on all new research, you know, actually, and find the forty's was actually eating squints and not fish, so, but it's the right top of the page, but for the wrong parasol. so this terrace army soon have to give up its fish to a smaller cousin, at least until additional research reveals what else these predators might have eaten. there are thousands more fossils in stuttgart, and perhaps one of them could whole. the answer is something on hill. this collection is a dream location. here is fantastic. we have so many ok, don't you go sites go to the next fossilized dinosaur good. might just unlock new secrets. something i think we would really love to find is

a fish reptile. because quite often we find brett cells eating fish, but i'm sure there's a possibility that the tables must attend at some point, but we haven't found the fossil williams. but new findings on a par with our fiction squint eating terrace stores could take a few more decades. it's no coincidence. some terrance source 8 stuff will upon similar to hosp to places they belong to. one of the told was known animal groups on her can have colonized the oceans for over 500000000 years. and according to a study, find the max planck institute of animal behavior, when they hunt, they don't work alone. octopuses are team players, unless they're on the run. although this may look like a fight, it's actually a clever joint hunting strategy. a team of researches from the university of

constance was the 1st to study this unusual behavior. in the red sea, they filmed octopuses on fish hunting for food, and idolized the footage with the computer. nope. yeah. the results showed that the behavior of this mixed group is small. so then scientist had realized for me it's interesting because most of the times multi species groups i've thought of, as you know, way more down than the cause specifics. because it's assumed that only con specifics could have complex interactions and solve complex problems. but what we see, that's actually not the case with its long tentacles. octopus can force praise, such as mollusks and small crowds out of that hiding places. the fish then take advantage of this. by following the octopus bought the fish also contribute to the hunt. t of a red money, it is leading the up to goods to

a spot where there's more food. still, it's the octopus that calls the shots. it's not only about being forwarded and fully. it's also being on the back and saying, no, no, no, we're not going this way. we're stopping here or no, no, no, i don't like this option. you have to look for other options. also up to passes, i can see the loan is they do take some of the cues from the fish. so to make sure that's why we were seeing was actually collaboration for food and not those types of behavior. we did an experiment where we put fluids on the structure and we found that when it was struck by fish, destructor was 90 percent of the times of the tank for the because of this, we know that the authors following the social information used by the fish the fish, a clever to they use the octopus as a tool. the fish are basically using the doctor because there's a pocket knife,

right? because they're finding food. and then looking at the octopus and say, come here, come to this location and try to guide it to the pray box. the opposite list doesn't let the fish do as they please. a fish that doesn't pull it twice, might get a swipe from a tentacle. the scientists are planning to take a closer look at the system of mutual control. we know that there's a species level recognition. you know, it depends knows which ones are the collaborators and which ones are usually the exploiters. but we want to understand if there's an individual level recognition, the team plans to tag individual fish to observe with a recurring person's image in the group social behavior to uncover more of the secrets of this underwater world. so when marine life work together, how do they communicate?

fish are not as mute to stay theme. they make sounds. and of course, the less ambient noise there is the better if they can communicate a lot of marine species are dependent on their hearing to survive. so man made noise poses a serious threat to them. this is what the ocean is supposed to sound like the. 2 2 2 the book today, it's often sounds like this, the, the united nations, as under water noise pollution is a major threat to marine life. in northern norway bio acoustics,

expert hike investor has spent more than 20 years studying why oceans are getting louder and identifying the source of the noise was supposed surprises. we have 3 different hydro phones and in the back we use a set up that includes a hydrophone camera, a recording device, and so on by the german marine biologist has dedicated her career to studying conditions in the left foot and islands. you'll see what i saw being critical of diversity of species of whales. i knew i had to come to areas with a lot of wells like here in northern norway are good. if you study acoustics, then social animals that communicate a lot are the most interesting into santa. but there's an ongoing conflict between marine life and the sources of noise. much of it caused by humans. they fall into

the system. a lot of people will hit straight to line to go out and drop our hydrophone. then we'll head towards boulder. those boats over there, for example, are very noisy. there's safari boats. we'll probably hear them later. along with wales, safaris and cruise trips, military exercises are also on the rise here as we hi. so we'll stop here, submerge the hydrophone, and listen to see if anyone is in the bay out here in the motor off. now, the most part and will tell us the underwater microphone detect sound waves, which travel about 5 times faster and water than in air. were probably hearing the military vessel anchored there in the background because that's what it sounds like on, but there's another boat charging along quietly. and then there's the sound of the waves on time and have i know it has been divorced. there was something else

to the main reset and the marine biologist is here. invest fjord is an inquisitive minky way. would you like to listen, tom? who is there on the various noises here? the boats that are basically always here, the dish finders on the fishing boats, which are a type of stone on then there's the military, so not that's very loud but thankfully less comments. and then there are size, make surveys, looking for natural resources like oil and gas. those are air cabinets which are pick up here even though they're 300 kilometers away. and we think about other scientists say they can be heard from a 1000 or even nearly of 2000 kilometers away by talking to me, 12 by 2 on con, underwater noise can disrupt the cell structure of marine life,

caused stress and interfere with communication, predator prey interactions, orientation and reproduction. all marine life is affected by a well use a sound to see and navigate on the dark underwater world or to locate pre, that's what we call bio shown, r or eco location of a local, the poly to fulfill, then be abused. if the wheels hearing is damaged, it can no longer do this piece of august to the split hot, colorado switch. grandma and those people are dying of strong nation, and it will likely lose contract for this family. which ultimately also means, gets for the way let's and they spend towards and in norway had planned to open its waters to commercial deep sea mining. but in december 2024 after massive protests from environmental issue, the plan was put on hold up here,

you'd think everything's fine. it's all quiet. but when most of emerged, the hydra phone, you can us everywhere. our machines are making so much noise and interfering with the entire marine ecosystem and nothing that costs as a team. all the recorded sounds are now being analyzed at the regional campus of boulder university. let's look at what we saw earlier. this is a spectrogram. it also shows the volume, the small down here we see this is almost entirely noise its own right. if there were any well sounds from here, we hardly see or hear them seen. under water noise pollution is an increasing problem. it's been doubling every decade for the past 40 years across the frequency range. before in the forest and see a dear, we don't move if we almost hold our breath. because we know that the slightest

sound will make video vanishing. but when we're in a boat and we see dolphins, we turn up the throttle full speed ahead, which is a nightmare for them for pickup window so fearful i have tone for the said po, but the noise of human activity is diminishing. the biodiversity of our oceans and changing their sounds. 2 thirds of the earth is covered with water, potentially offense, supply drawn for drinking water. but 1st, the salt has to be removed. one viewer from columbia set just a question about that. how does a di signed a nation plant, which there's various ways of turning c will to into fresh water. 2 methods commonly used on an industrial scale. the 1st is distillation. from the vacuum precious sea water is heated to a 115 degrees celsius. as the water vaporizes it leaves the salt behind,

the vapor flows through cool, tight turning to fresh water, but also more than 20000. these on the nation plants worldwide will be about 20 percent use distillation. the 2nd method is with this osmosis. and this method, walter is forced under pressure through a membrane, the semi permeable membrane that's water molecules passed through. while blocking substances like salt and minerals, the water on the one side is still free, while the other is very salty. even though the cost of diesel, the nation has dropped it still expensive obtaining drinking water from a $1000.00, leaches of rid of water costs just fine if you are sense. well, just one lead to of sea water costs $50.00 or a cents. in addition, both methods require a great deal of energy, much of which still comes from fossil fuels. but some smaller, these are the nation plants can now meet the energy needs with renewable sources.

obtaining 45 liters of pure water 3, which is on a nation, requires a 100 meters of sea water. what's left is cool. brine is extremely salty, low in oxygen, and often contaminated with chemicals before it's pumped back into the ocean. sometimes some of the salt sodium fluoride is filtered out, but the broiling also contains magnesium and potassium, which have commercial usage. however, extracting these minerals is costly on energy intensive. researches are exploring none of filters and other methods to see how valuable minerals and elements can be recovered from brine, more efficiently. what are stars made of? how many colors can butterflies? so you could have bro bought attempts babies one day. you have a science questions,

then send it to us as a vip feel text or voice message. if we answer it in the show, we'll send you a little gift as a thank you. so just ask the new york use a bustling mega cities, famous for many things. huge skyscrapers impressive bridges, the statue of liberty. but what you might not think of is well, sharp and don't fit the marine mammals have returned to the atlantic coast of new york and are now a common fight at certain times of the year. one local resident has captured impressive footage. while i grew up out here and it's such a beautiful place and so i always felt connected to the environment. and so the beach especially and so when i saw it changed drastically from one year to another

. i wanted to figure out what was happening. so we never saw a box or dolphins, or tuna, or really any animals from the beach until 2019. and that was like the most drastic changes they could see how back 200 feet away from you. lunch feeding on manhattan . these creatures that we didn't even know where are these. i didn't even know where in new york, in the late summer humpback whales can often be seen of the kindest of new york almost every day. so lynch flies, his drone over the shore line of the hampton on long island, typically all search for large schools of men. hayden, the bait fish and sea whatever's plan on the money. hayden,

the small nutrient rich fish are a vital food source for many low it's maureen's b, c's, including shocks, dolphins, and whales. they are most likely stationed by humans and used as a nutritious feed. and i could go to unpack food 5 years ago. the state of new york costa low limiting industrial net fishing of money. hayden, near the coast box, along with other fishing legislation for many launch marines. b, c spiked to new york's coast. over the years, a lot of atlantic states have decided, well, we're gonna put conservation 1st and we're going to put the health of our coastal eco systems 1st, rather than letting a lot of commercial activity go on in those near shore areas. so that allows those predators to now move back into those historical near shore areas and feed where they were, you know, 50 years ago where, you know, we've kind of forgotten about that off of the atlantic coast where it's so urbanized such a lynch as a small studio in this comes, i just got rich,

the photographer and videographer says he's work on social media, including footage of cow nose res, migrating off long island. and that's why i'm in this incredible geometric formation like birds lining up, best on the parallel sides. it's their, their wings, the goal or what i've been after, at least the summer is trying to find new spaces and kind of round out the picture of the ecosystem overall and help people understand how diverse new york waters are and how and credible these creatures are a young, great white shot to have a head shock. those quotes on camera, the category to spanish shops typically not dangerous to humans. hunt for small fish near the shore line. the return of

a thriving coastal eco system provides such a then, with plenty of inspiration, he's with that's all for this edition of tomorrow. today. we hope you enjoyed the show. see you again soon. the

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are in danger. this is well, that'd be cool. so now it leaves budget points to get it to the team. what does each incentive you feel feel by any means necessary. so use people the and remind me in the amazon rain car in 15 minutes, dw the surrounded oak trees and they use by day, by night and over the full season. natives,

grace, adaptive and living. see to europe of 3 golf. jenny reset on w thinking as a network thing as one a show about vision raised and that project the percentages that can be tackled together for a future living working for a more united world. you can draw the line between the spacings because i don't believe that space is, is a morally relevant criterion anymore than i believe that rice or sex is on frontier in. 2 2 should. 2 2 we humans are closer

to to pansy xanax events a is even to a doctor. the doctor series about our complex relationship with animals. watch now on youtube. dw documentary, the, this is dw dues are, these are our top stories muslims in syria. i have celebrated their 1st friday prayers since the collapse of the assad. rashid brows gathered in damascus today earlier the leader of the forces that toppled the saw. posted a video congratulating the syrian people urging all to celebrate what he called the victory of the revolution. francois by root has been appointed, as francis knew, prime minister, a centrist l, y of president emanuel macro, and we will try to lead the government at

a time of instability. and for.