I tried a new Linux image editor that's like GIMP and Photoshop - but I'm not sold (yet)

For those who bemoan the lack of Photoshop on Linux, it's possible that a competitor to GIMP could fill that need… maybe.
eLife

Serotonergic modulation of motor subspace dynamics drives a sleep-independent quiescent state

The dorsal raphe nucleus (DRN) serotonergic (5-HT) system has been implicated in regulating sleep and motor control; however, its specific role remains controversial. In this study, we found that ...