doctor chris ballance of oxford — public. doctor chris ballance of oxford ionics, _ public.l of oxford ionics, thank you for joining us, fascinating stuff and best of luck with your venture. and best of luck with your venture-— and best of luck with your venture._ stay | venture. thank you. stay with us here on — venture. thank you. stay with us here on bbc— venture. thank you. stay with us here on bbc news. - hello. well, temperatures were round about the seasonal average on wednesday — in the low 20s for most of us, plenty of strong july sunshine. and there's more of that to come over the next few days. in fact, it will be warming up — too hot for some, perhaps, particularly in the south—east of england, but it's a brief, warm spell, with cooler conditions for all by sunday. and always cooler, always wetter in the north and the west — and that's certainly true overnight tonight. there'll be showery outbreaks of rain on this flow from northern ireland, up through western scotland. a few showers, too, for central, eastern areas of scotland, north west england, and down throu