Chinese paddlefish extinct after surviving 150 million years

The Chinese paddlefish — one of the world’s largest freshwater fish — has officially been declared extinct after surviving some 150 million years. The giant species, which measured as long as 23 feet and weighed as much as 1,100 pounds, has been killed off by overfishing and dam construction.

California is suing a Silicon Valley billionaire for blocking public access to a beach

For nearly a century, people flocked to Martin’s Beach, a picturesque stretch of sand just south of Half Moon Bay in the San Francisco Bay Area. Then in 2008, Silicon Valley billionaire Vinod Khosla, through two limited liability companies, bought two large pieces of land next to the popular beach, which happened to contain the only viable public path to the shore.