If you melt a little redcurrant jelly and brush it over a strawberry or raspberry tart, ... Wash the jars and lids in hot, soapy water and place them upside-down in the oven for 15 minutes.

To suss out what makes deep-water ctenophores so graceful under pressure but oozy at the surface, researchers around the world collected comb jelly species that live at a range of depths.