Goats can get two kinds of lice: sucking lice and biting lice. Biting lice eat dead skin cells on the goats and make them itch. Sucking lice are more serious â they not only cause itching, but they suck the goats' blood, which can lead to anemia.
South-west China lies in an area that is prone to earthquakes. An earthquake in Sichuan in 2008 killed tens of thousands of people. And in 1970, a magnitude 7.7 quake in Yunnan killed at least 15,000 people.
The 1138 Aleppo earthquake was among the deadliest earthquakes in history. Its name was taken from the city of Aleppo, in northern Syria, where the most casualties were sustained. The quake occurred on 11 October 1138 and was preceded by a smaller quake on the 10th. It is frequently listed as the third deadliest earthquake in history, following on from the Shensi and Tangshan earthquakes in China.