Visit. back to the studio. president zalevski has already invited. researchers who followed and studied chimpanzees in the ugandan rainforest have found they drum out messages on tree roots to communicate. the signature rhythms allow them to send information over long distances, revealing who is there and what they re doing. take a listen to this, and a warning, it s quite loud. chimps call. let s try to decipher what that means with dr catherine hobaiter, she s a primatologist from the university of st andrews. thank you forjoining us. what does the research show about how chips communicate? brute the research show about how chips communicate? the research show about how chips communicate? ~ ., ,, ., ., communicate? we have known for some time that chimps communicate? we have known for some time that chimps drum communicate? we have known for some time that chimps drum and communicate? we have known for some time that chimps drum and there - communicate? we have known for so
You will know president zelensky has made several addresses to governments around the world. this one is particularly appealing to political and also business leaders given the economic impact of the war. it is worth saying that the address comes on the day that president zelensky has said his country is losing between 50 and 100 lives every single day in the east of the country. that is likely to be referring to military casualties. that gives us a sense of how fierce the fighting is becoming in certain parts of the country. we know that russian forces in the east are intensifying their attacks on key cities, there. as you can see, that address from president zalevski is getting under way. it will be watched of course very closely as the fighting continues and we know that over the weekend, we got very little sense of quite what would happen next and the president is saying that there would be no surrender, no compromise, no ceasefire with russia until certain