Regular infrared sauna use — especially in the mid infrared range — can significantly stimulate blood flow up to twice the normal rate. (sunlighten.com)
A greenhouse gas is a gas in an atmosphere that absorbs and emits radiant energy within the thermal infrared range. (en.wikipedia.org)
More than 40 telescopes in the northern hemisphere took thousands of observations in the visible, radio, and near infrared ranges, which enabled the production of detailed light curves. (sciencedaily.com)