Short Louisiana cold snaps can shift soil, stress fence posts, and damage gates—often after temperatures warm back up. Freeze-thaw cycles cause soil expansion and contraction that can loosen fence ...

A new study led by Prof. Xiao Wenjiao from the Xinjiang Institute of Ecology and Geography of the Chinese Academy of Sciences ...

While bone is twice as tough (resists fracture), ivory has double the strength (withstands breaking completely). Ivory is ...