Hacker News Top Stories with Summaries (January 30, 2024)
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<h1> Hacker News Top Stories</h1>
<p>Here are the top stories from Hacker News with summaries for January 30, 2024 :</p>
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Alzheimer’s cases tied to no-longer-used medical procedure
Summary: A study in Nature Medicine reports the first-ever transmitted Alzheimer's cases, linked to a no-longer-used medical procedure involving growth hormone from human cadavers. The patients, now in their 30s to 50s, showed signs of Alzheimer's decades after receiving the treatment. The hormone transplant seeded the beta-amyloid protein in recipients' brains, which later developed into disease-causing plaques. The findings add to ongoing debates about Alzheimer's causes but do not suggest it is a contagious disease.
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Researchers have found a faster way to do integer linear programming
Summary: Researchers Victor Reis and Thomas Rothvoss have developed a faster algorithm for solving integer linear programming (ILP) problems, making the biggest runtime leap in decades. Their work, which received a best-paper award at the 2023 Foundations of Computer Science conference, combines geometric tools to limit possible solutions and brings the runtime closer to the trivial binary case. The new algorithm has not yet been used to solve logistical problems but has improved the theoretical understanding of ILP.