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​​​​​​​

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