Pubity on Instagram: "😭 Asthma is a chronic condition that affects the airways in the lungs, making them inflamed and overly sensitive. When triggered by things like dust, smoke, exercise, cold air, or allergies, the airways tighten and produce extra mucus, which can cause wheezing, coughing, chest tightness, and shortness of breath. While asthma has no cure, it can usually be managed well with medications and by avoiding triggers, allowing most people to live normal, active lives. (A. Sell via

Cleo Abram on Instagram: "The Sahara desert fertilizes the Amazon rainforest. Yep. To understand how, you need to see these gorgeous satellite images… For more optimistic science and tech stories, follow along! #desert #rainforest #sahara #amazon"