Highest-ever ocean temperatures recorded as El Niño intensifies

Why extreme temperatures are expected to weaken ocean carbon sinks — plus, how mitochondrial injections could treat vision loss. 00:46 The world’s oceans reach a record temperature Nature: Ocean temperatures set to break all-time record: what’s next? 10:05 Research Highlights Nature: Astronaut vest cuts radiation exposure in half Nature: Earth-shaking thunder probes underground geology 12:54 How mitochondrial injections could treat vision loss Nature: Patient’s own mitochondria injected into eyes in attempt to restore vision​​​​​​​ Subscribe to Nature Briefing, an unmissable daily round-up of science news, opinion and analysis free in your inbox every weekday. Hosted on Acast. See acast.com/privacy for more information.