随着天气渐热，动物界中的一位成员的“泡澡”时间越来越长，而且是几乎全身淹没在水中的泡澡，只把眼睛和耳朵露出水面。这位成员就是河马。河马看似威武雄壮，整日悠闲地泡在水里，但其实它们生活得相当不方便，因为它们水陆两不栖：既不会游泳，也不吃鱼，因此无法长时 ...

More than a decade after the Obama-era move to generally prohibit whole and 2% milk in schools as part of an effort to lower rates of obesity among children, Robert F. Kennedy Jr. and some ...

More than a dozen years after higher-fat milk was stripped from school meals to slow obesity in American kids and boost their health, momentum is growing to put it back. Federal lawmakers have ...

Are fish mammals? Fish are not mammals, but they are such a diverse group that putting all of them into one class is inefficient. Some species were once classified alongside animals that are not fish ...

Jack Black Hosting This Week’s ‘SNL’ With Elton John, Brandi Carlile Live from New York, it’s Jack Black! The actor and musician will be hosting “Saturday Night Live” for the fourth time on Saturday, ...

aka ep27.1 The calendar this week is "What's inside the egg today?". Each day strings either side of a cardboard egg are pulled to reveal an animal or yolk inside. Benita and Simon make paper hens ...

Aka ep55.1 Monica and Nick create an environment from old newspaper. They make paper rocks and plants. A large tree is also made by stacking cardboard boxes, with painted, scrunched up balls of old ...