Zydus Cadila is in the advanced stages of trials for its Covid-19 vaccine that can be given to children aged 12 and above says NK Arora, chairman of India’s national technical advisory group on immunisation. Also on the programme, cryptocurrency exchange Binance has been banned in the UK; Telegram adds group video chat; and Anand Madanagopal talks about taking sophisticated heart health checks to the masses at Cardiac Design Labs