Vaccines save millions of lives each year, so we owe a lot to the people that pioneered that medical breakthrough. But the concept of a vaccine had already existed for a long time before it was “discovered,” and the real story is way...

As we celebrate the centennial of the National Park Service, we look back to 1916 and the life of Stephen Mather, the first Director of the National Park Service.

The Hubble Space Telescope has been revealing the secrets of the universe for over 30 years, but it turns out Hubble has some secrets of its own!



The question is: What does Hubble’s...

The Hubble Space Telescope has been revealing the secrets of the universe for over 30 years, but it turns out Hubble has some secrets of its own!



The question is: How wide is Hubble’s...

In which John, inspired by Eula Biss's book On Immunity, considers how immunity and inoculation happen. Other topics discussed include vaccination, the relationship between individual efforts and collaboration, and what must be shared to...