Little auks are the most abundant birds in the Arctic. They have been fertilizing the soil, attracting gulls, polar foxes and human societies for thousands of years. Image: Monica Ogawa Using sound, images and artificial intelligence, researchers in Japan and Denmark...
Light is one of the essential elements for the synthesis of vitamin D by the skin. Sunset in Nunavik. Image: Martin Tuchschere / Wikimedia Commons A new study has just documented an epidemic of vitamin D deficiency in the villages and communities of northern Canada....
