On July 31, 2014, scientists reported details of the evolution of birds from other theropod dinosaurs. Among the features linking theropod dinosaurs to birds are a furcula (wishbone), air-filled bones, brooding of the eggs, and (in coelurosaurs, at least) feathers.
Vitamin D Deficiency. People who are vitamin D-deficient can suffer some adverse effects, such as being more prone to certain cancers and possibly being affected by depression or other mood disorders, according to studies reported by MayoClinic.com.
Signs you may have a vitamin D deficiency include age over 50, having darker skin, obesity, achy bones, feeling blue, head sweating, and gut trouble. Increasing levels of vitamin D3 among the general population could prevent chronic diseases that claim nearly one million lives throughout the world each year.