Reference Terms
from Wikipedia, the free encyclopedia
Natural selection
Natural selection is the phrase Charles Darwin used in 1859 for the process he proposed to explain the origin of species and their apparent adaptation to their environment.
Note: The above text is excerpted from the Wikipedia article "Natural selection", which has been released under the GNU Free Documentation License.
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Fossils & Ruins News
August 2, 2024
July 24, 2024 — A study looks at the maximum possible sizes of dinosaurs, using the carnivore, Tyrannosaurus rex, as an example. Using computer modelling, experts produced estimates that T. Rex might have been 70% heavier than what the fossil evidence ...
July 16, 2024 — Researchers have discovered that a single-celled organism, a close relative of animals, harbors the remnants of ancient giant viruses woven into its own genetic code. This finding sheds light on how complex organisms may have acquired some of their ...
July 15, 2024 — One of the most important controversies about human evolution and expansion is when and by what route the first hominids arrived in Europe from the African continent. Now, geological dating ...
July 11, 2024 — Using genomes from 2,000 living humans as well as three Neanderthals and one Denisovan, an international team mapped the gene flow between the hominin groups over the past quarter-million ...
Latest Headlines
updated 12:56 pm ET
Aug. 2, 2024 — Antarctic dwelling single-celled microorganisms called archaea can behave like parasites, new research ...
Aug. 1, 2024 — A new study places the origin of the Imazighen in the Epipaleolithic, more than twenty thousand years ago. The research concludes that the genetic ...
Aug. 1, 2024 — Exceptional fossils with preserved soft parts reveal that the earliest mollusks were flat, armored slugs without shells. The new species, Shishania aculeata, was covered with hollow, organic, ...
Aug. 2, 2024 — Shifts in the Earth's continental plates that drove long-term changes in sea level set the stage for the evolution of the earliest animals on Earth, a study ...
Aug. 2, 2024 — The origins of life remain a major mystery. How were complex molecules able to form and remain intact for prolonged periods without disintegrating? A team has demonstrated a mechanism that could have ...
Aug. 2, 2024 — Wild boars and red junglefowl gave rise to common pigs and chickens. These animals' genes evolved to express themselves differently, leading to signatures of domestication -- such as weaker bones and ...
Aug. 2, 2024 — A tiny fossil penguin plays a huge role in the evolutionary history of the bird, an international study ...
Aug. 1, 2024 — What if the 'Market Economy' always existed? Archaeologists tried to answer this question by researching how much Bronze Age people used to spend to sustain their daily lives. Their results show ...
July 31, 2024 — Clues to future sea level rise have been revealed by the first detailed maps of the underside of a floating ice shelf in Antarctica. An international ...
July 31, 2024 — Scientists have detected geochemical signatures of magma pooling and melting beneath the subsurface during the 'Fagradalsfjall Fires', that began on ...