Add Yahoo as a preferred source to see more of our stories on Google. In this video, the channel—which sources its research from astrophysicists and the like—goes over the sizes of different black ...

Kurzgesagt’s latest In a Nutshell video takes us once more to the depths of space to look at the scary phenomena that are black holes. Rather than go into topics like dark matter and how black holes ...

To report on the agreement of macular hole size as measured using optical coherence tomography (OCT), Topcon digital photography, and surgeon estimate on clinical examination. A photographic ...