On a late July morning, the sun is already broiling the National Mall in Washington, D.C. The air is so humid, even a loose shirt quickly turns into a sticky mess. Later, the heat index will top out ...

Shop TODAY independently determines what we cover and recommend. When you buy through our links, we earn a commission. Learn more. On hot days when you just can't seem to cool down, the common ...

She holds up a cooling neck fan. It looks like a space-age horseshoe, but resting on your neck, it uses dozens of vents to blow air toward your ears and head. Some models — like Seger's — also have ...