i've come to the university of maastricht in holland where dr pasta has agreed to talk me through how they make cultured meat. morning hillary i remark who reads here mark in his colleagues are one of a number of teams around the world who are searching for a way to scale up production of lab grown meat if they succeed the environmental impact could be enormous college or ruminants they have to use for the multi stomach things where they basically back here in their stomach from it and indiscriminately shoot process and methane gets released that's affecting global warming and climate methane is actually very powerful the house can see it's twenty times more powerful than c o two. so yeah and livestock is accountable for forty percent of all methane emissions. the impact of farming cattle on climate change is so significant that some experts believe giving up beef reduces our carbon footprint more than giving up cars. but how do you get a hamburger from a test tube. so this is a small. piece of muscle taken from a with a biopsy with a needle biopsy this is taken. half an hour ago from

different reaches the public in two thousand and thirteen dr mark cost and his team at the university of maastricht in holland made headline news when they proved it was possible to meet with a single cow muscle sample. if you like conventional amber and now the race is on with scientists competing to be the first to create a lab grown burger to market to the masses. i've come to the university of in holland where dr pasta has agreed to talk me through how they make cultured meat. morning hilary i remark here mark and his colleagues are one of a number of teams around the world who are searching for a way to scale up production of lab grown meat as they succeed the environmental impact could be enormous ruminants they have these forty multi. things where they basically back here in their stomach for a minute and in that ferment he should process methane gets released and that's affecting global warming and climate change is actually very powerful. twenty times more powerful than c o two. and livestock is accountable for forty percent of all methane emissions. the impact of farming cattle on climate

michelle muerel, an assistant professor of auditory and cognitive neuroscience at maastricht university one thing or the other. it probably also is how sensitive your peers are to various frequencies because the yanny information seems to be in the hype frequency part of the sound and the laurel seems to be in the low—frequency part of the sound and also up right beside you are paying attention to. there are various cognitive factors coming into play including what type of voices you are used to hearing and what type of accents. also what you have recently heard, what you are paying attention to and all of that can contribute to what you hear. i have been hearing yanny all day and then in the last hour i've heard laurel and now back to yanny again. the fallout from the killing of 58 palestinians in gaza on monday continues. it's lead to a number of angry diplomatic exchanges. one of the biggest so far, overnight turkish president recep tayyip erdogan tweeted a reminder to israeli prime minister benjamin netanyahu that "palestinians are not terrorists," calling netanyahu the pm "of an ap