Butterflies (Papilionoidea) come in a remarkable variety of colors and patterns, from the orange majesty of the monarch to the lustrous red and blue of the peacock butterfly, but all butterflies ...

Every city, organization and business has something in common: a defined life cycle. Take New Orleans, for example. US Route 90—a segment of the Ponchartrain expressway—cuts through the heart of New ...

A far-reaching new study of the life-cycle greenhouse gas (GHG) emissions from passenger cars, including SUVs, draws sharp and meticulous distinctions between the climate impacts of battery and fuel ...

Biologists have discovered how a pathogenic fungus can bypass the immune system of plants. By releasing an 'effector' molecule, it avoids elimination at a critical stage in its reproduction cycle.