Scientists have unraveled a 40‑year‑old mystery at the heart of sleeping sickness, uncovering how a deadly parasite behind the life-threatening disease repeatedly slips past the human immune system and survives long enough to cause serious illness . The discovery reveals how the parasite fine‑tunes a protective protein “cloak” that allows it to evade immune detection while circulating in the bloodstream. By identifying a previously unknown protein that precisely controls this process and keeps