Almost all mammals avoid eating chili peppers and other 'hot' foods, because of the pain they induce. But not the tree shrew, according to a new study. The researchers found that this close relative ...

Tree shrews have emerged as versatile and practical models in biomedical research due to their unique phylogenetic proximity to primates, manageable size, rapid reproduction, and cost-effective ...

In recent years, the lines that traditionally separate humans from other animals have gotten very blurry; crows and chimps use tools, some insects know how to farm, and species across the spectrum ...