El Niño: marine die-offs in California, emergencies in Peru
A very strong El Niño is heating the Pacific, starving seabirds off California and triggering emergencies in Peru and Bolivia, scientists and officials say.
Science
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Moderna-Merck mRNA melanoma vaccine cuts relapse risk 42% in trial
A personalised mRNA vaccine from Moderna and Merck cut the risk of melanoma relapse or death by 42% in the Interpath-001 phase 3 trial of 1,137 patients.