在自然界中，我们常见的鸟类通常被区分为雄性和雌性，但最近的一项发现让科学家们惊叹不已——一只身体一半是雄性、一半是雌性的鸟类，彰显了生物多样性与复杂性的奇妙结合。这种被称为雌雄嵌合体（bilateral ...

近日，科学家在Powdermill自然保护区发现了一只极为罕见的鸟类——半雌半雄的玫胸白斑翅雀。这只鸟的右半边是鲜艳的红色，象征着雄性，而左半边则是柔和的黄色，代表雌性。这种独特的身体特征让人们对性别决定机制产生了深深的思考。

由于 鸟类的可用卵巢一般都在左边 ，而这只鸟的左边是雌性，因此它可能能够生育，左边能当妈，右边能当爹。但是，它也可能很难找到另一半， 雌雄同体意味着大脑和性激素都会受影响，而在求偶季，鸟儿需要在适当的激素变化下做出适当的行为，才能顺利完成繁殖 ...

BEIJING, Feb. 7 (Xinhua) -- Chinese President Xi Jinping on Friday exchanged congratulations with Colombian President Gustavo Francisco Petro Urrego over the 45th anniversary of bilateral diplomatic ...

On February 8, China and Thailand issued a joint statement, in which both sides emphasized the need to adopt a zero-tolerance and resolute attitude to strengthen the crackdown on cross-border crimes s ...

BANGKOK, Feb. 5 (Xinhua) -- Thai Prime Minister Paetongtarn Shinawatra embarks on an official visit to China on Wednesday. As 2025 marks the 50th anniversary of diplomatic relations between China and ...

O primeiro-ministro chinês, Li Qiang, se reuniu nesta quarta-feira com o presidente do Quirguistão, Sadyr Japarov, em Beijing ...

O primeiro-ministro chinês, Li Qiang, reuniu-se com o presidente paquistanês, Asif Ali Zardari, em Beijing, na quinta-feira.

Assistant Foreign Minister Zhao Zhiyuan on Friday summoned Miguel Humberto Lecaro Barcenas, Panama's ambassador to China, to ...

El primer ministro chino, Li Qiang, mantuvo conversaciones el jueves en Beijing con su homóloga de Tailandia, Paetongtarn ...

HARBIN, Feb. 7 (Xinhua) — Chinese President Xi Jinping on Friday said China and the Republic of Korea (ROK) should work ...

河北省文物与古建筑保护研究院原副院长孙荣芬是九层神庙修复项目团队的重要成员。在长达八年的时间里，她和同事们在尼泊尔坚守，不辞辛劳，与尼泊尔同行密切合作，圆满完成了这项充满挑战、意义重大的任务。在尼工作生活期间，有一件小事在她记忆中尤其深刻。