Sarah Scoles
Viewpoint: Medical, financial and ethical hurdles block humanity’s dream to settle space
Companies such as United Launch Alliance and Lockheed Martin are designing infrastructure for lunar habitation. Elon Musk has claimed SpaceX will ...
Polio almost eradicated. Here’s why we can’t simply ‘declare victory’
So far this year, there have been six known cases of polio infection, in Afghanistan and Pakistan—two of the three countries left ...
