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Non-human organs and biomolecules. [] Unsolved problems relating to the structure and function of non-human organs, processes and biomolecules include: Korarchaeota (archaea). The metabolic processes of this phylum of archaea are so far unclear. Glycogen body.
The stem cell controversy concerns the ethics of research involving the development and use of human embryos. Most commonly, this controversy focuses on embryonic stem cells. Not all stem cell research involves human embryos. For example, adult stem cells, amniotic stem cells, and induced pluripotent stem cells do not involve creating, using ...
Markus "Notch" Persson - anti-LGBT views. Scott Peterson – convicted of murder of his missing pregnant wife Laci. Augusto Pinochet – Chilean general became presidential dictator. Nicole Polizzi – "Snooki" of MTV reality show Jersey Shore and the show's portrayal of Italian Americans condemned as ethnic stereotypes.
Objections to evolution have been raised since evolutionary ideas came to prominence in the 19th century. When Charles Darwin published his 1859 book On the Origin of Species, his theory of evolution (the idea that species arose through descent with modification from a single common ancestor in a process driven by natural selection) initially met opposition from scientists with different ...
De-extinction (also known as resurrection biology, or species revivalism) is the process of generating an organism that either resembles or is an extinct species. [1] There are several ways to carry out the process of de-extinction. Cloning is the most widely proposed method, although genome editing and selective breeding have also been considered.
Gabapentin is a prescription medication that was approved by the U.S. Food and Drug Administration in 1993 as a treatment for epilepsy. It works by binding to a type of calcium channel in nerve ...
Recurring cultural, political, and theological rejection of evolution by religious groups [a] exists regarding the origins of the Earth, of humanity, and of other life. In accordance with creationism, species were once widely believed to be fixed products of divine creation, but since the mid-19th century, evolution by natural selection has been established by the scientific community as an ...
Astronomy and cosmology. Ptolemaic system – superseded by Nicolaus Copernicus ' heliocentric model. Geocentric universe – superseded by Copernicus. Copernican system - superseded by Tychonic system. Heliocentric universe – made obsolete by discovery of the structure of the Milky Way and the redshift of most galaxies.