species, and making a thorough analysis, we really could figure it out. it's the availability of food or the insect larvae that live in beds of rivers and streams that drove water shrews into the water. their record dive time is 2a seconds and this research has revealed how these tiny predators' bodies became engineered for this high—speed aquatic hunting. victoria gill, bbc news. very impressive little animals, aren't they?— very impressive little animals, aren't they? very impressive little animals, aren'tthe ? ., , , aren't they? there you go, yes. time now for some — aren't they? there you go, yes. time now for some weather. _ aren't they? there you go, yes. time now for some weather. carol - aren't they? there you go, yes. time now for some weather. carol has - aren't they? there you go, yes. time now for some weather. carol has it i now for some weather. carol has it and can tell us about some pretty hot temperatures yesterday. that's right, yesterday was the warmest day of the day so far, we have had that everyday recently! it will not be today. we reached 29.7 degrees in teddington in london. it will not be as warm today in london