Cosmology
The universe may have a complex geometry — like a doughnut
Physicists haven’t yet ruled out the possibility that the universe has a complicated topology in which space loops back around on itself.
Physicists haven’t yet ruled out the possibility that the universe has a complicated topology in which space loops back around on itself.
Scientists are on a quest to log all the sounds of fish communication. The result could lead to better monitoring of ecosystems and fish behavior.