Home/CommunityWhy are cells small?mailyk·Hacker News·Community·June 8, 2026Two physical constraints — surface area and diffusion — explain why cells are (usually) tiny.Read full article →Related ArticlesNew HIV vaccine shows unprecedented success in preclinical studycodebyaditya · Hacker News · 4h agoGrapheneOS Defends Data-Wiping Function That Blocked US Border Searchpseudolus · Hacker News · 2h agoUS citizen charged after GrapheneOS phone wipes during airport searcheecc · Hacker News · 1d agoItaly Blocks Reproductive Health Websites Women on Web and Women Help WomenminiBill · Hacker News · 3h agoDMARC Has Been Public Since 2012. 68.4% of Domains Still Don't Enforce Itadulion · Hacker News · 7h ago