Instead, we are looking at an entire continuum where there is strong light absorption by organic carbon, or dark brown carbon ... for the unexpected effects of brown carbon in wildfire smoke.

“‘Dark brown carbon ... emphasize black carbon’s warming effect over organic carbon. Sunlight can bleach light-absorbing organic aerosols such as brown carbon, causing it to lose its ...

Large concentrations of dark matter in the foreground bend the light coming from background galaxies, skewing our images of them. This effect, known as 'weak gravitational lensing', has so far ...