In a new study published in Nature Geoscience ... The work, which focuses on the role of "dark brown carbon"—an abundant but previously unknown class of particles emitted as part of wildfire ...

In a study published recently in Nature Geoscience ... potent warming effects but is often missing from climate models: dark brown carbon. “‘Dark brown carbon’ is a term we coined for ...

As dawn nears, brown recluses find dark, sheltered hiding places; in nature, they may find refuge in rock cracks and crevices, but if they're near humans, these spiders may camp out in places such ...

I ran into my first dark-eyed juncos of fall just a few days ago, as nighttime temperatures began to dip towards the freezing mark. Nature ... contrasts with pinkish-brown flanks.