eat aquatic plants like this or water lettuce and other plants that grow on the surface in areas where manatees have been killed off the plants just grow and grow and spread across the water surface. the light of the sun can t enter the water about reduces the growth of plankton which affects the entire food chain and reduces the number of fish that in turn affects the people living along the amazon they have fewer fish to eat and can t even go fishing if the water surface is overgrown. it s a real problem aquatic plants on the waterways and lagoons of the amazon are spreading even to other countries such as colombia where there are no hungry manatees keen to eat them and the water hyacinth for example is toxic to some of the animals living there horses and cattle can eat this plant but there simply aren t enough of them to control the spread. back at the amazon
relativity einstein showed that gravity is the warping of space time that means for an observer approaching a massive object like a black hole clocks run more slowly. let s send him on a trip a thought experiment on the basis of special relativity. we dispatch him to a star and bring him back. at a speed close to that of light from his point of view jim needs say 10 years for the trip but meanwhile on earth of 1000 years have passed. so jim has effectively travelled to the future because of his speed time passed more slowly for him than for people on earth so what about travel to the past some physicists think it is indeed possible but it s hardly practicable nobody s going to set off next week luckily imagine if jim fell in love with his great aunt have
supreme court justice roberts siding with the court s liberal members to block louisiana from forcing new restrictions on abortion clinics. it would require abortion providers to have admitting privileges at nearby hospital. a moves critics claim will force all but one clinic in the state to close. now, the block will remain in place pending a full review of the case. we have acted on this scale before and we must do it again. our energy future will not be found in the dark of a mine but in the light of the sun. we choose to assert ourselves as a global leader in transitioning to 100% renewable energy. everything from the great society to the new deal started with a vision for our future. bill: liberal democrats on the hill laying out plans for a massive overhaul of the energy sector and a lot more, too. called the new green deal and
any light at all. feel ask when the full moon is something you can see, because it s shining on it the but when the moon is between the earth and sun, that shiny face is away from us, and we have the night side that we are seeing blocking out the light of the sun. what are scientists right now looking at? as we are watching this image from blackwell at 1:18 p.m. central time, what would scientists be looking at? the big question is how does energy transfer from the sun itself, from the photosphere and inside the photosphere, out into that coronospheric space, and what are the processes that go on in there, and specification
this is what we ve been hearing. it s starting to lighten up in the sky. once you experience one solar eclipse, you kin of get addicted and start traveling around. lie the gentleman from australia, this is like his fourth or fifth, so he has been traveling around, and it s now starting to get bright against here. yeah, c mon! reporter: people cheering for mother nature here, but as quickly as it got dark, it s now starting to get light here again. stephanie, just incredible to watch. it seems to be passing. the light is getting brighter now. reporter: it s starting to get brighter. if you look out behind me, it s like otherworldly. in missouri they re having a great time and taking advantage of it. and it s happening quickly. i can see the light coming back quickly now. there it is. you can see it again. you can now see the light coming