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)
Nearly a day after being downgraded from a tropical storm, Ophelia still threatened parts of the Northeast on Sunday with coastal flooding, life-threatening waves and heavy rain from Washington to New York City, the National Hurricane Center said.
Surgeons have transplanted a pig’s heart into a dying man in a bid to prolong his life – only the second patient to ever undergo such an experimental feat. Two days later, the man was cracking jokes and able to sit in a chair, Maryland doctors said Friday.
Tropical Storm Ophelia formed off the mid-Atlantic coast and was expected to bring heavy rain, storm surge and windy conditions over the weekend, the National Hurricane Center said Friday.
A storm churning in waters off the eastern U.S. has increased to tropical storm strength and is forecast to reach the North Carolina coast Friday morning, the National Hurricane Center said.