A gene is a locatable region of genomic sequence, corresponding to a unit of inheritance, which is associated with regulatory regions, transcribed regions and/or other functional sequence regions. ... > more
Rodentia is an order of mammals also known as rodents, characterised by two continuously-growing incisors in the upper and lower jaws which must be kept short by gnawing.
Forty-percent of mammal ... > more
Anthropology is the study of humanity. Anthropology has origins in the natural sciences, the humanities, and the social sciences.
Since the work of Franz Boas and Bronisław Malinowski in the ... > more
The realization that dinosaurs are closely related to birds raised the obvious possibility that some dinosaurs had feathers. Fossils of Archaeopteryx include well-preserved feathers, but it was not ... > more
The Bronze Age is a period in a civilization's development when the most advanced metalworking consisted of techniques for smelting copper and tin from naturally occurring outcroppings of ore, and ... > more
Archaeopteryx lithographica is the earliest and most primitive known bird. In the 1990s, the discovery of a number of well-preserved feathered dinosaurs solidified the link between dinosaurs and ... > more
Ichthyosaurs were giant marine reptiles that resemble a dolphin with large teeth. They lived during a large part of the Mesozoic era, and appeared about 250 million years ago (Ma), slightly earlier ... > more
The evolution of the eye has been a subject of significant study, as a distinctive example of a homologous organ present in a wide variety of species. The development of the eye is considered by most ... > more
The Minoans were a pre-Hellenic Bronze Age civilization in Crete in the Aegean Sea, flourishing from approximately 2600 to 1450 BC when their culture was superseded by the Mycenaean culture, which ... > more
Charles Robert Darwin (12 February 1809 - 19 April 1882) was a British naturalist who achieved lasting fame by convincing the scientific community of the occurrence of evolution and proposing the ... > more