Parasites are a unique form of life in today’s world. These invertebrates come in all shapes and sizes, from single-cell animals (e.g., Plasmodium...

Many reporters and scientists treat carbon dates like facts. Of course, the more recent dates work well enough. But news reports, textbooks, and even...

Found in Central and South America, the poison dart frog uses its skin toxin for defense and its bright colors as a warning. Each tiny amphibian holds...