There are more than a thousand asteroids with diameters larger than Didymos and Dimorphos combined, and if any of those were to strike Earth, it could lead to mass extinction and the collapse of civilization.“Everyone knows it’s possible to hit an asteroid,” says Justin Atchison, a DART mission designer at the Johns Hopkins Applied Physics Laboratory.
So in 2013, a group of utilities, academics, and environmental organizations came together to form the Avian Solar Working Group to develop strategies to mitigate avian deaths at solar facilities around the US.“There was very little research about the impacts of solar on birds,” says Misti Sporer, the lead environmental scientist at Duke Energy, an electric utility in North Carolina, and member of the working group.
The magnitude of the Covid-19 pandemic will largely depend on how quickly safe and effective vaccines and treatments can be developed and tested.As these methods take off in the coming years, we will be able to test all trillions of possible solutions to each health problem very quickly.
Perhaps you even know about things like event horizons, the boundary outside of which escape becomes possible, and gravitational waves , the ripples that black holes generate in the cosmic fabric when they collide.
But recently in Nature, Bruce Yankner, a professor of genetics and neurology at Harvard Medical School, and his colleagues reported on a previously overlooked controller of life span: the activity level of neurons in the brain.