Mark Kaufman, science reporter at Mashable, discusses California's history-making decision to mandate solar panels on all new homes and low-rise apartment buildings. [We talk what this means for the solar panel companies and the rest of the U.S.](https://mashable.com/2018/05/09/california-becomes-first-state-to-mandate-solar-panels-on-new-homes)
Smoke from Canadian wildfires poured into the U.S. East Coast and Midwest on Wednesday, covering the capitals of both nations in an unhealthy haze, holding up flights at major airports and prompting people to fish out pandemic-era face masks.
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Experts are warning about a new Covid-19 wave as 14 of New York City's wastewater treatment plants showed high levels of the disease in the past week.
Canada is dealing with a series of intense wildfires that have spread from the western provinces to Quebec, with hundreds of forest fires burning. The smoke has traveled into the United States, resulting in a number of air quality alerts issued since May.
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Clinical trials of Moderna and Merck’s experimental cancer vaccine showed results in reducing the spread of the most deadly form of skin cancer.
Women often use hormone therapy to relieve hot flashes and other menopause symptoms — and new research suggests patches or creams may be safer for their blood pressure than pills.
The cause of global warming is showing no signs of slowing as heat-trapping carbon dioxide in Earth’s atmosphere increased to record highs in its annual Spring peak, jumping at one of the fastest rates on record, officials announced Monday.
