科学美国人60秒 SSS Facebook Users Value the Service More Than Investors Do
Facebook Users Value the Service More Than Investors Do Facebook is currently worth some $400 billion dollars to its shareholders. Which might seem like a lot. But a recent study suggests the company is worth many times more than that, to its users.
科学美国人60秒 SSS Ultima Thule and the Apes of Earth
Steve Mirsky: Welcome to Scientific Americans Science Talk, posted on January 3, 2019. Happy New Year! Im Steve Mirsky. Ultima Thule. Its the little snowmanshaped Kuiper Belt object that the New Horizons mission flew by on January 1st. Well be receiv
科学美国人60秒 SSS Invisible Killers Hitchhike on Native Plant Seedlings
When wildfires rip through a landscape, firefighters have the firstand most immediatejob. But then, that burned moonscape often passes into the hands of restoration ecologists, who yank out invasive species, and plant native seedlings instead. We try
