Why some flames are blue and others are red?

Former U.S. Army soldier set off incendiary outside New York federal building: FBI

Suspect accused of setting fire outside NYC federal building

L’héritage et la trahison du Crystal jaune | PARTIE 1 | #histoirefruit #pourtoi #histoire #france #fruit

⚠️ Do not self diagnose! ⚠️ although these images are fairly representative, many skin conditions can look similar, and diagnosis often requires examination (sometimes with dermoscopy or even a biopsy). For example, not every dark mole is melanoma, and not every red scaly patch is eczema or psoriasis! If you notice something unusual on your skin seek professional help. #skinhealth #healtheducation #skinconditions