Why more autism?

I knew that the number of cases of autism being diagnosed has gone up dramatically in recent years; I tend to think that this is probably just because people ar...

Single stars

Astronomers have thought for awhile that multiple star systems were more common than single stars; this affected calculations of the number of stars likely to h...

Dangerous ideas

Every year, The Edge asks a bunch of leading scientists and “science-minded thinkers” a question that results in a fascinating array of thought-prov...