Our universe may really be a sphere, controversial new study suggests. Scientists found the cosmic microwave background is subject to stronger gravitational lensing than it should be.

https://www.vice.com/en_us/article/a3534j/libraries-and-archivists-are-scanning-and-uploading-books-that-are-secretly-in-the-public-domain

https://www.youtube.com/watch?v=TGDSXq4qNh8

Hy pick's