Rising carbon dioxide levels affect more than just the climate; they also affect the chemistry of the oceans. When saltwater absorbs carbon dioxide, it becomes acidic, which alters the aquatic animal ...
Most birds, and by that we mean 97 percent of all species, don’t have external genitalia and instead have what’s known as a cloaca (as did dinosaurs ). Seen in birds, reptiles, amphibians, some fish, ...
Michelle Andrews is a contributing writer and former columnist for KFF Health News. She has been writing about health care for more than 15 years. Her work has appeared frequently in The New York ...