well to provide you know good for people by 2050 if we can make crops that will grow under 70 arid conditions this will need a right to the ability and the fruits of life that we have at the moment. this is d.w. news and these are our top stories russian opposition leader alexina vali is receiving a mergence the medical treatment in berlin he arrived in the german capital on saturday morning 2 days after becoming seriously ill during a flight in russia his supporters allege that he was poisoned by a cup of tea he drank at an airport in siberia. hardline bellary sienna president alexander lukashenko has ordered the army to use quote the most stringent measures to protect the nation he was speaking at

a military base near the borders with poland and lithuania government opponents accused of stealing a last month's elections they're planning the latest in a series of mass rallies later on sunday. the social media platform to talk says it will sue the trump administration over the president's plan it to ban it the popular video app in the u.s. to talk is owned by chinese company by dance trump issued an executive order against to talk over concerns about user data could be shared with the chinese government this is g.w. news from berlin follow us on twitter and instagram at studio view news or visit our website w dot com. what

makes a volcano erupts. how does too much food affect the balance of our gut flora. and which animals have the most successful relationships and says to those questions and more coming up. welcome to tomorrow today the science show on d w. in the past half century the human diet has undergone huge changes not just in industrialised countries many developing countries are also seen big changes in the amount of food available to people. at the same time these city and intestinal disorders are on the wrong hands so it is in germany are studying the effects of a calorie rich diet in a surprising place.