The endoplasmic reticulum is usually the biggest organelle in eukaryotic cells; it has various portions that serve different purposes; and it is the site of protein production, as well other other ...

The genome is more than just its sequence; epigenetic features of DNA, like chemical tags that may be attached, or how it's organized and structured, can have a significant impact on gene expression ...

Part I. Selection: Darwin and natural selection -- The group selection controversy -- For whose good does natural selection work? -- Part II. Adaptation: Darwin (and others) on biological perfection - ...

From a new paper published in Ecology Letters, this graphic shows examples of how interactions between temperature and sexual selection drive the co-adaptation of thermal physiology, thermoregulation ...