Nature CommunicationsUltralow-density rigid network hydrogels enable ultrafast and stable solar water desalinationChengfei LiuChuxin LeiShuting ShenHao JiangMingyang LiPengfei QiYan WangWenxin FanKunyan SuiGuihua Yu2026-04-28Full textDOI https://doi.org/10.1038/s41467-026-72288-w