On the hunt for ‘hierarchical’ black holes

Black holes, detected by their gravitational wave signal as they collide with other black holes, could be the product of much earlier parent collisions. Such an event has only been hinted at so far, but scientists believe we are getting close to tracki…

Cultural biases impact native fish, too

From art to religion to land use, much of what is deemed valuable in the United States was shaped centuries ago by the white male perspective. Fish, it turns out, are no exception. A study explores how colonialist attitudes toward native fishes were ro…

Three dwarf spheroidal galaxies found to rotate

Astrophysicists have discovered the presence of transverse rotation (in the plane of the sky) in three dwarf spheroidal galaxies, a very faint type of galaxies and difficult to observe, which are orbiting round the Milky Way; this helps to trace their …

Measuring creativity, one word at a time

Can you think of three words that are completely unrelated to one another? What about four, five, or even ten? According to researchers, this simple exercise of naming unrelated words and then measuring the semantic distance between them could serve as…