It’s all about saving coral this week: Linden shares an accidental discovery that bleached coral can be healed through contact with healthy coral; and Kate talks about the benefits of building artificial reefs from calcium carbonate instead of any old junk.

Daniel S. Collins et al., Rapid coral bleaching recovery via symbiont transfer from healthy corals. Sci. Adv. 12, eaeh1580(2026). DOI:10.1126/sciadv.aeh1580

O’Sullivan B, Bamford R, Shannon MR, Mallela J, Perriman AW. Material design for artificial reef restoration: a novel calcium carbonate biocomposite. Biotechnology Design. 2026;4:e77. doi:10.1017/S2977905726100808