科学家发现早期人类用火和工具烹饪食物,而青少年由于屏幕和压力睡眠较少,而西北太平洋的地震风险增加。 Scientists find early humans cooked food using fire and tools, while teens sleep less due to screens and stress, and earthquake risks grow in the Pacific Northwest.

研究人员正在通过陶器残留物分析发现史前烹饪方法,揭示早期人类用火和简单工具做饭。 Researchers are uncovering prehistoric cooking methods through pottery residue analysis, revealing early humans used fire and simple tools to prepare food. 在西北太平洋,地震活动的增加引起人们对地震的关切,尤其是在卡斯卡迪亚断层线沿线。 In the Pacific Northwest, increased seismic activity is raising earthquake concerns, particularly along the Cascadia fault line. 同时,研究表明,青少年的睡眠比过去几十年要少,屏幕时间、学术压力和社会时间表被列为关键因素。 Meanwhile, studies show teenagers are getting less sleep than in past decades, with screen time, academic pressure, and social schedules cited as key factors. 这些调查结果突显了为了解人类历史、自然危害和青少年健康而正在进行的科学努力。 These findings highlight ongoing scientific efforts to understand human history, natural hazards, and adolescent health.