Nasal congestion happens when passages in the nasal cavity are blocked. 1 When nasal passages are blocked, nasal breathing can be more challenging, meaning it is harder to breathe through the nose. 1 ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Jon Chase Jon Chase is an editor of smart-home coverage. For Wirecutter, he ...

Japan-based biochemist Ali Malay has long questioned traditional theories about how spiders make their silk. “The prevailing hypotheses seemed like magic, because, according to it, you suddenly have ...