A desktop nuclear fusion reactor that uses electrochemistry to up the ante. Also, a global survey of human wildfire exposures finds Africa burning ahead, plus tiny swarming robots and record-breaking 2024 ice melts from glaciers on Svalbard.

Presenter: Roland Pease Producer: Alex Mansfield Production co-ordinator: Jana Holesworth

(Photo: The Thunderbird Reactor at the University of British Columbia (UBC). Credit: Berlinguette Group/UBC)