1. Many are likely to be incubating infectious diseases, such as canine or feline distemper or parvovirus.
2. After the male penguin spent 40 days incubating their egg, he passed it on to the mother penguin apparently due to exhaustion.
3. Li also facilitated the province's urbanization by incubating city clusters in the Central Plains as new growth points.
4. This region of rice farmers was the incubating ground for the Communist revolution.
5. Fang Fang and husband Lao Gong have since taken turns incubating the eggs.