Browse Reference Articles
51 to 60 of 126 articles
-
Homo habilis
Homo habilis ("handy man", "skillful person") is a species of the genus Homo, which lived from approximately 2.5 million to 1.8 million years ago at the beginning of the Pleistocene. The definition ... > more -
Pelycosaur
The pelycosaurs were smallish to large (up to 3 meters or more) primitive Late Paleozoic synapsid reptiles. They appeared during the Late Carboniferous and reached their acme in the early part of the ... > more -
Cave painting
Cave or rock paintings are paintings painted on cave or rock walls and ceilings, usually dating to prehistoric times. Rock paintings have been made since the Upper Paleolithic, 40,000 years ago. They ... > more -
Supervolcano
A supervolcano refers to a volcano that produces the largest and most voluminous kinds of eruption on Earth. The actual explosivity of these eruptions varies, but the sheer volume of extruded magma ... > more -
Paleoclimatology
Paleoclimatology is the study of climate change taken on the scale of the entire history of the earth. Glaciers are a widely employed instrument in paleoclimatology. The ice in glaciers has hardened ... > more -
Sequence stratigraphy
Sequence stratigraphy is a relatively new branch of geology that attempts to link prehistoric sea-level changes to sedimentary deposits. The 'sequence' part of the name refers to cyclic sedimentary ... > more -
Homo rudolfensis
Homo rudolfensis is a fossil hominin species originally proposed in 1986 by V. P. Alexeev for the specimen Skull 1470 (KNM ER 1470). Originally thought to be a member of the species Homo habilis, the ... > more
Search ScienceDaily
Number of stories in archives: 137,310

