Moderna and Merck & Co. have developed a cancer vaccine that cuts the risk of death or recurrence of most deadly skin cancer by 44 percent compared to Merck's Keytruda on its own, according to researchers. 

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California Temperatures Could Top 120 Degrees This Weekend
More than a third of Americans were under extreme heat advisories, watches and warnings Thursday as a blistering heat wave that's been baking the nation spread further into California, forcing residents to seek out air conditioning or find other ways to stay cool in triple-digit temperatures.
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