Portal:Science
Wikipedia portals: Culture · Geography · Health · History · Mathematics · Natural sciences · People · Philosophy · Religion · Society · Technology
Science:
History of science
Philosophy of science
Systems science
Mathematics
Biology
Chemistry
Physics
Earth sciences
Technology
| Main page | Categories & Main topics | Portals & WikiProjects | Things you can do |
Scientists maintain that scientific investigation must adhere to the scientific method, a rigorous process for properly developing and evaluating natural explanations for observable phenomena based on reliable empirical evidence and neutral, unbiased independent verification, and not on arguments from authority or popular preferences. Science therefore bypasses supernatural explanations; it instead only considers natural explanations that may be falsifiable.
Fields of science are distinguished as pure science or applied science. Pure science is principally involved with the discovery of new truths with little or no regard to their practical applications. Applied science is principally involved with the application of existing knowledge in new ways, including advances in technology.
Uplift of the region started about 75 million years ago in the Laramide orogeny, a mountain-building event that is largely responsible for creating the Rocky Mountains to the east. Accelerated uplift started 17 million years ago when the Colorado Plateaus (on which the area is located) were being formed. In total these layers were uplifted an estimated 10,000 feet (3000 m) which enabled the ancestral Colorado River to cut its channel into the four plateaus that constitute this area. But the canyon did not start to form until 5.3 million years ago when the Gulf of California opened up and thus lowered the river's base level (its lowest point) from that of large inland lakes to sea level.
View of the Earth as seen by the Apollo 17 crew traveling toward the moon. This translunar coast photograph extends from the Mediterranean Sea area to the Antarctica south polar ice cap. This is toward the northeast. Earth, also known as Terra, and (mostly in the 19th century) Tellus, is the third-closest planet to the Sun. It is the largest of the solar system's terrestrial planets, and the only planetary body that modern science confirms as harboring life. Scientific evidence indicates that the planet formed around 4.57 billion years ago, and shortly thereafter (4.533 billion years ago) acquired its single natural satellite, the Moon
Wolfgang Ernst Pauli (April 25, 1900–December 15, 1958) was an Austrian physicist noted for his work on the theory of spin, and in particular the discovery of the Exclusion principle, which underpins the whole of chemistry and quantum mechanics.
He seldom published papers, preferring lengthy correspondences with colleagues (such as Bohr and Heisenberg, with whom he had close friendships.) Many of his ideas and results were never published and appeared only in his letters, which were often copied and circulated by their recipients. Pauli was apparently unconcerned that much of his work thus went uncredited.
- ...that in recent years Mediterranean alcoholic beverages (pictured) have been subject of intense scientific study?
- ...that the supermassive black hole at the center of the quasar OJ287 has been measured as weighing 18 billion times the mass of the Sun, six times heavier than the previous record holder?
- ...that the origins of Castle Lake (pictured) in California date to the Pleistocene Era (more than 10,000 years ago) when a glacier carved a basin in the location of the current lake?
- ...that 2002's Hurricane Elida was the first hurricane to be observed by the MERIS sensor aboard the ESA's satellite Envisat?
- ...that for a pure wave motion in fluid dynamics, the Stokes drift velocity is the average velocity when following a specific fluid parcel as it travels with the fluid flow?
