aleutian involves constant adaptation to now busy cities animals have to adapt their behavior which even changes their d.n.a. since time immemorial this process has continued to date we've looked at the evolution of value. and what ongoing evolution holds in store for life and. welcome to.

but if aleutian hasn't stopped not even in the case of us humans our jaws have become more narrow over the course of time as we no longer use our teeth to crack open nuts bones or shelves. we eat more soft cooked food instead but we also populating more and more land thereby affecting the development of other animals in our environment. biologist frederickson tool is studying catfish in the river town in the talents of the french. the catfish are from eastern europe and shouldn't really be here. but in 1903 anglers released some specimens into the town. they had offspring and their descent. continue to procreate a few years ago these catfish found a new source of food. living in town brought the catfish into contact with pigeons. pigeons never had aquatic predators and they're always scanning the skies for birds of prey coming from above. pigeons come down to the river to be even drink. if you're a catfish only notices the presence of a pigeon when its barbells those whisker like things register its movement then there's a tax. p. gins live dangerously here. the killer fish have develo

this conflict and do think what is necessary if you want to think about some sort of broader was aleutian of the conflict to look at it differently may mean those are discussions that we had at the beginning of the trunk with it and see when people were afraid that he would sort of turn over the table and come up with completely new proposals . of course it is possible to look at things from a new direction but then you need some sort of positive impacts as well and i think this is what is lacking at least to bulletin it at the moment so when we come back to public opinion it's interesting that there has been in the last month and we have been a strong. wish also by the russian population in opinion polls for the about us and it to improve relations with the west says that been the case in the past 2 years so it seems there is a wish for improvement with the west when it comes to the russian population what is surprising is that there's no such signal from the russian government so for to the contrary we have here in berlin 2 additional issues that complicate relations we had the murder o

hong kong people are very angry about it johnson revolutionary songs to know in order john to get aleutian yes all of that they are perfectly entitled to chant revolutionary songs in free countries regina europe you can go to london or washington and chant whatever revolutionary songs you want why don't you try it. it depends on whether the songs are chanted as in an opera les miserables la or chant as a part of a well organized and well planned action plan to stock separators sentiments. at the end of the day your your reason your pitch to the people of hong kong is trust beijing this security law will not be used in the same way that beijing uses its security laws to tamp down on freedoms on the mainland this is what you are asking them to accept that china is not going to behave the way it behaves on the mainland in hong kong if you really believe that of course trust our motherland our motherland has nothing but good intentions for the people of hong kong and also trust the basic law trust one country 2 systems which has worked well in the past 23 years you know why doesn't it have bet

you know it is for outsiders now we have to understand the aleutian of that of that movement within the context of what pundits of course recognise as an exit this or a departure from the rally in 1990 i have to say i mean this is such a complex topic but i do want to make a quick sort of intervention here still held me abundance also recognize their own history in initiating these these laws when it benefited them over time what's of course how good it is because muslims are in a majority in the stand and rightfully you know the jobs and you know land holdings etc should rightfully belong to the majority that's not that are not sick well with the minority community that was the prevalence in these ringback sort of const in the structures of the state and so now of course it's something that is not a convenient you know a constitutional remnant to hang on to and and therefore this response i do want to say it because we kind of got distracted from that earlier in the film earlier you took that that you saw it in no it's done to my. what's what's happening is what organisations i do to m

emblem on its flag has taken steps towards removing it these state senate of mississippi pastor aleutian resolution that allows the flag which many view as racist to be changed but public and governor tate reeves says he'll sign any bill to remove it new designs that would then be voted on in the event as elections lester spence is a professor of political science and africana studies at johns hopkins university he says the black lives matter movement has created momentum for more political change. when i talk about victims of police violence like george floyd george floyd was positive of. tested positive for kobe and was a bouncer and a truck driver. arbor a who was killed not by police but by police action but by police like action he was he wanted to be an electrician but he couldn't graduate as he didn't have intuition the next has to be linking the this protest up with labor diamond there's a reason why when i go to the convenience store to shop every employee is black the last asked for me that's what the next step and we're in the middle of a political struggle right now we've bee

movement to shift the balance of power in their favor our party have been participating in this river aleutian since day one and no party was in the opposition since since 5 years ago so we there's nothing new for us we're still in the same place we are still fighting for the same principles the movement which brought together sects which spoke in one voice and carried one flag the lebanese flag appears to be losing momentum those who returned to protest were feeling national unity was not revived today instead of deep divisions and sectarian tensions resurfaced jennifer their favorite time for a short break here al jazeera when we come back china says it's seeking a coronavirus vaccine for the world not just for its own benefit. and brazil's government is accused of trying to hide the scale of one of the world's worst coronavirus outbreaks mana stay with us. for. how iran reported 3 or 4 days about 50 degrees now the breeze is picked up since and that at the height of the heat was on the gulf coast just here right about kuwait you can see the breezes take the time for a q a down from 49 to 46

assyrian prime minister aleutian president as well as other members of the commission warned in the division of the commission and therefore is sure that africa's ruling to dig this road or of resolving some public tragedy with other militants moment because of the same time this was a really you know increasing tensions in the region it seemed to be suggesting that a good result to any solution since the it was in these other a matter of life or death for the people and the country and therefore are so down on and on what are those intervening to raise a clique on the screen is a little bit down and find workable solution if you're korea is under a lot of pressure to really of all unilateral solutions they are in agreement that 95 percent of your calls from the set of the problems are sorted out in abyan of what she asians and therefore it's all to the issue of filling up the dam over the length of time that it is needed so that the floor for there is government is for egypt and during that period. the number of new covert 19 infections in the u.s. has surged to another high for the 3rd day

responsible for 52 percent of the earth surface and when you look at their logo it shows an eagle over the aleutian islands with one tail on coming down somewhere near seattle on the other coming down right over beijing so beijing looks at a network of bases a real archipelago of empire that's been built up since the korean war you have had and still have an aco of of bases that start an australia go through you know so if we have no bases in australia you have you have. and you have a new facility in west mistry you know to speak precisely we have no military bases in australia what we do is operate with and in australian bases but we're not in the basing business nowadays there's a growing collection of what are referred to as lily pad bases these are bases that have typically 300 troops no family members very few amenities and they're often quite secretive their bases that are frequently constructed within a foreign country's base to disguise it and generally are not referred to as bases . many of these bases have been set up to combat china's well wide economic influence. from these bases the u

intercepted four russian reconnaissance aircraft flying about 75 miles off the coast of alaska's aleutian international airspace but it sits within what the u.s. military refers to as the alaskan air defense zone. they monitor and intercept aircraft flying into u.s. air space. this is the latest in a series of russian military flights. earlier this week russian patrol aircraft flew into this area and earlier this month several russian bombers accompanied by fighter jets flew even closer to the alaskan coast coming some 30 to 20 miles from the coast, and they too were intercepted by u.s. aircraft. there's definitely an up tick in activity, something that norad has said they're on the look out for, that they're keeping a close eye on. sometimes russia goes through training cycles where they do this, but other times it is very much intended to send a message that they have this act to fly very close to alaska and the u.s. air space, sometimes with bombers capability of delivering nuclear weapons. >> ryan, we are talking about three times in a month involving russian military aircraft. is the

the police came from now one of the interesting things are is that is a road borders on grain each aleutian and it is a very quiet road my family has lived in the road for more than 20 years and we never seen a little of police in him arrowed they didn't arrest him eventually they arrested him on suspicious all suspicion of possession of drugs they took him to the police station he was interviewed and knows their rash. it got to the point where they couldn't prove why you had detained him they couldn't prove why he had been kicked and punched on the street and to me is all police officers should wear but he can play was very interesting that up into a certain point there but he can work but by while he was. on the road lying on the road been say this gas with officers literally sitting in these chairs the c.e.o.'s camera no longer worked hard and we've all got a list of comments on the video that we're showing with it as a set you can say well you. we're talking and they have to get back to us about that but let's look at it from their point of view in these tense times where we're saying w

movement to shift the balance of power in their favor over party have been participating in this river aleutian since day one and our party was in the opposition since since 5 years ago so we there's nothing new for us we are still in the same place we are still fighting for the same principles the movement which brought together sects which spoke in one voice and carried one flag the lebanese flag appears to be losing momentum those who returned to protest work feel national unity was not revive today instead deep divisions and sectarian tensions resurfaced center for their beirut thousands of people have been detained during protests in cuz it stuns largest city of almaty it is the 1st anti-government demonstrations since lockdown instructions were relaxed protest as they're demanding full relief for people affected by the lockdown several others spoke out against china's economic expansion in the country last month kazakhstan passed a new law or on demonstrations which will thora to say is in line with international standards. still ahead here on al-jazeera australians take heart and black l

the nation's leaders lived with the aleutian the institution of slavery was declining and on its way to being illuminated. of all the illusions they had about the future, this, i think, was the greatest. the mistaken optimism was understandable. they wanted to believe the best and initially, there was evidence that slavery was in fact being eliminated and dying out. whererthern states slavery was not deeply rooted, as we know, again immediately to attack the institution and the revolution and by 18 oh four, every northern state had provided for the eventual end of slavery. wassouth, where slavery much more deeply entrenched in the economy and society was slower to act. areeven in the south, there encouraging signs of movement against the institution, especially in virginia. virginia was no ordinary state. it was by far the most populous state, and indeed by itself it made up 1/5 of the population of the entire nation. it was the largest state and territory and the richest state. it's not surprising for out of the first five presidents were virginians and the working model for the con