Changes in Earth's orbit have helped pace climatic change for millennia. Scientists are now trying to understand whether - and how - these changes remodeled the landscapes our ancient ancestors ...

Insect life-cycle polymorphism : introduction / S. Masaki and W. Wipking -- Diversity and integration of life-cycle controls in insects / H.V. Danks -- Seasonal plasticity and life-cycle adaptations ...

Modern cells are complex chemical entities with cytoskeletons, finely regulated internal and external molecules, and genetic ...