本期内容转载自公众号「十分之一信箱」 Hi 亲爱的朋友！ 播客「Knock Knock 世界」已经更新到第 87 期了！ 本周选题都发生在「远方」。感觉我们就像一个好奇心发射基地，本周运送好奇心的目的地是：阿根廷的动物 园、巴西的热带雨林、巴黎的博物馆。 的王食,刃什么它的需求却会这么大呢? 在动物保护行业有一个备受尊重的组织 叫做世界动物园和水族馆联合会,他们 认为,现代动物园的目标是动物保护。那 么,为了实现这一目标,现代动物园和传 统动物园会有什么不同呢？ 曾经有一个流量不小的旅游网站,它上 OB 面罗列了十种人们最想和动物做的互 动,其中绝大多数都是违背动物天性、甚 至会伤害动物的,比如与海豚游泳、骑乘 大象、与狮子散步、和老虎拍照、让熊跳 舞等等。 你在动物园见过熊作揖乞食吗?你见过 04 动物园里的熊冬眠吗?我们国家北京动 物园里的熊就经历了从乞食到冬眠的行 为转变。这个转变意味着什么呢? 科学界现在有一个共识,保护动物不是 02 只把那些珍稀动物单独放在一个保护区 保护起来就可以的,而是要保护它们赖 以生存的栖息地。可是,如何让公众知道 动物的栖息地长什么样呢? 06 根据可靠统计,以 64 种 ...

Group 1 - The podcast "Knock Knock World" has reached its 23rd episode, with all three topics this week sourced from audience submissions, indicating strong engagement from young listeners [1] - The first "Little Genius" phone watch was launched in June 2015, two years later than its competitors, suggesting a strategic market entry [2] - The advertising strategy for "Little Genius" is notable, as it involves significant investment to ensure visibility across major media platforms, which is uncommon even for established companies [2][3] Group 2 - "Mixue Bingcheng" has become the most profitable bubble tea brand in China, with projected net profits in 2024 exceeding the combined profits of its four listed competitors [5] - The brand originated from a small ice shop in 1996 and has since expanded to a supply chain network covering 38 countries, leveraging bulk purchasing power for cost advantages [5][6] - The company has adopted a unique market strategy by targeting less economically developed regions, differentiating itself from competitors focused on major cities [6] Group 3 - The trend of replacing artificial colorants with natural ones in food products is gaining traction, driven by consumer health concerns and regulatory scrutiny [7][8] - Research indicates that artificial colorants can negatively impact children's behavior, raising questions about their safety and leading to a shift towards natural alternatives [8][10] - Despite the push for natural colorants, companies face challenges in consumer acceptance and market adaptation, highlighting the complexities of changing established practices [8][10]