Installation is under way of an expanded monitoring system for Iceland's volcanoes, which it is hoped will give the world more warning of the next big eruption.
A major new report from 25 wildlife organisations, assessing the state of Britain's Nature, is warning that many species of wildlife are facing extinction in the UK unless urgent action is taken.
David Attenborough examines news that a "stocktake" of UK nature suggests 60% of animal and plant species have declined in the past 50 years - and one in 10 could end up disappearing.
Detailed slow-motion footage showing how ants tunnel their way through confined spaces could aid the design of search and rescue robots, say scientists.