What is white noise, exactly? Why does it affect humans the way it seems to? And what about pink, violet, brown or blue noise? What does color even have to do with it at all? Watch this video, and you may find that the hues of noise are all around you—and that you never recognized what you were hearing. | Scientific American

That baby leopard image? It wasn’t bad — just noisy. Simon d’Entremont shows how color noise (those red, green, and blue speckles that appear in dark photos) can disappear in seconds using Lightroom’s color noise reduction slider. No need to panic over high ISO or dark scenes — color noise is one of the easiest fixes in post. Comment LowLight and we’ll send you Simon’s full masterclass replay. | Journal of Wildlife Photography