生物多样性的减少可能会导致恐龙灭绝 - Waning biodiversity may have role in dinosaur extinction
根据最近的研究,恐龙的灭绝可能部分归因于生物多样性的减少,而不是纯粹由重大自然灾害造成的。6600万年前恐龙灭绝的原因一直是科学界争论的话题。小行星与地球的碰撞和大规模火山爆发是最常见的观点。最近,一个研究小组在研究了恐龙蛋和蛋壳后给出了一个新的解释
0评论2022-10-25565
With mainland support, HK outbreak showing signs of waning
Hong Kong's fifth wave of the COVID-19 epidemic is being gradually brought under control as the Special Administrative Region reported 747 n
0评论2022-04-18853