Two million years ago, the only sign of fire is burnt earth with human remains, which most other anthropologists consider to be mere coincidence rather than evidence of intentional fire.

Two centuries ago, mummies were still believed to have medicinal properties against bleeding, and were sold as pharmaceuticals in powdered form ( see human mummy confection and mummia ).

Two small human faces at the back of his head indicate that he is polycephaly | tricephalic.

Two months later scientists from Argentina presented Rosita, a transgenic cow incorporating two human genes, to produce milk with similar properties as human breast milk.

Two of the first commonly noted human civilizations began near the eastern Mediterranean sea.

Two forms of nanomedicine that have already been tested in mice and are awaiting human trials are using gold nanoshells to help diagnose and treat cancer, and using liposomes as vaccine adjuvants and as vehicles for drug transport.

* November 2007: Human induced pluripotent stem cells: Two similar papers released by their respective journals prior to formal publication: in Cell by Kazutoshi Takahashi and Shinya Yamanaka, " Induction of pluripotent stem cells from adult human fibroblasts by defined factors ", and in Science by Junying Yu, et al., from the research group of James Thomson, " Induced pluripotent stem cell lines derived from human somatic cells ": pluripotent stem cells generated from mature human fibroblasts.

In an early and highly influential article, The Magical Number Seven, Plus or Minus Two, the psychologist George Miller suggested that human short-term memory has a forward memory span of approximately seven items plus or minus two and that that was well known at the time ( it seems to go back to the 19th-century researcher Wundt ).

Two years later, in 1987, its lexicon reached 20, 000 words, entering the realm of human vocabularies, which range from 10, 000 to 150, 000 words.

** Two million indigenous people of Estonia, Latvia and Lithuania, then still occupied by the Soviet Union, join hands to demand freedom and independence, forming an uninterrupted 600 km human chain called the Baltic Way.

Two discrete, sociological theories explain and justify gentrification as an economic process ( production-side theory ) and as a social process ( consumption-side theory ) that occurs when the suburban gentry tire of the automobile-dependent urban sprawl style of life ; thus, professionals, empty nest aged parents, and recent university graduates perceive the attractiveness of the city center — earlier abandoned during white flight — especially if the poor community possesses a transport hub and its architecture sustains the pedestrian traffic that allows the proper human relations impeded by ( sub ) urban sprawl.

Two categories of problem concerning reason have long been discussed by philosophers concerning reason, essentially being reasonings about reasoning itself as a human aim, or philosophizing about philosophizing.

Two other books, How the Mind Works ( 1997 ) and The Blank Slate ( 2002 ), broadly surveyed the mind and defended the idea of a complex human nature which comprises many mental faculties that are adaptive ( and is an ally of Daniel Dennett and Richard Dawkins in many disputes surrounding adaptationism ).

Two years later, he published his first novel, The Hercules Text, about the discovery of an intelligently conceived signal whose repercussions threaten human civilization.

" The Tale of Two Brothers ", a folk tale with human protagonists, includes elements similar to the myth of Osiris.

Two researchers have postulated that dreams have a biological function, where the content requires no analysis or interpretation, that content providing an automatic stimulation of the body's physiological functions underpinning the human instinctive behavior.

Two new drugs, AFQ-056 ( mavoglurant ) and dipraglurant, as well as the repurposed drug fenobam are currently undergoing human trials for the treatment of FXS.

Two main types of processes are employed: heat treatment to ensure the safety of milk for human consumption and to lengthen its shelf-life, and dehydrating dairy products such as butter, hard cheese and milk powders so that they can be stored.

Advertising for the film ( pictured at right ) boasted of the extravagant expense incurred in presenting the spectacle :" Actual Sinking of an Ocean Liner. Two Battleships Sunk by United States Navy .$ 18, 000 Used for Ammunition in One Battle. 40, 000 People Employed. 10, 000 Horses in Thrilling Cavalry Charges. 40 Aeroplanes in Great Air Battle. Every Death-dealing Device Known to Modern War in Operation. One Year in the Making. Cost $ 1, 000, 000. 00. Entire Cities Built and Destroyed. An Awe-inspiring Spectacle that one minute makes your blood run cold and another thrills you with its touches of human gentleness. The Story of the Greatest Love of the Ages —- the Love of Humanity.

These were two opposing christological positions ; the Miaphysites claimed Christ had only One nature out of Two, the Chalcedonians maintained that he had both human and divine natures.

Two tiny human figures, only about 6 inches high, emerge from the craft.

Walden Two is controversial because it includes a rejection of free will, the proposition that human behavior is controlled by a non-corporeal entity, such as a spirit or a soul.

Two other groups have similar inflorescences but a superior ovary, and have at times been put into separate families: the Agapanthaceae and the Alliaceae.

Two groups of invertebrates have notably complex brains: arthropods ( insects, crustaceans, arachnids, and others ), and cephalopods ( octopuses, squids, and similar molluscs ).< ref name = Butler > The brains of arthropods and cephalopods arise from twin parallel nerve cords that extend through the body of the animal.

Two new groups, the Armed Forces for a Federal Republic ( FARF ) led by former Kette ally Laokein Barde and the Democratic Front for Renewal ( FDR ), and a reformulated MDD clashed with government forces from 1994 to 1995.

Two centuries later, Ottoman traveler Evliya Çelebi gave us a list of the groups which were deported in the city with the respective provenience.

Two good examples of collective nouns are " team " and " government ", which are both words referring to groups of ( usually ) people.

Two other groups who were travelling overland arrived several days later.

Two groups of rats are observed: a control group with no lesions and an experimental group with hippocampal lesions.

Two other groups contributed to the design of the language and developed implementations: Harlequin released a commercial IDE for Microsoft Windows and Carnegie Mellon University released an open source compiler for Unix systems.

Two other groups, one at the University of Florida and another at the University of Pennsylvania, conducted independent clinical trials with similar results.

Two Lie groups are called isomorphic if there exists a bijective homomorphism between them whose inverse is also a homomorphism.

Two small groups of achondrites are special, as they are younger and do not appear to come from the asteroid belt.

* Two hydroxyl functional groups: a A3-phenolic OH ( pKa 9. 9 ) and a C6-allylic OH

Two main groups of polymers exist: synthetic polymers and biopolymers.

Two of the radical groups were labeled as terrorist groups by the U. S. Government, Los Macheteros and the Armed Forces of National Liberation ( FALN ).

Two groups competed for the contract to build the railway, Sir Hugh Allan's Canada Pacific Railway Company and David Lewis Macpherson's Inter-Oceanic Railway Company.

: Two groups of Irish and Italian-Americans are arrested by police after a half hour of hurling bricks and shooting at each other resulting from a barroom brawl when visiting Italian patrons refused to pay for their drinks at a local saloon.

Other non-white groups acquired voting rights earlier – shortly after World War Two.

Two groups of 10 volunteers each did join Italian forces in the fighting on the Italian front, the first as combatants and the second as a medical corps operating a Red Cross field hospital.

Two of the groups learned word pairs, then either slept or stayed awake, and were tested again.

Two geometric figures are considered to be of the same symmetry type if their symmetry groups are conjugate subgroups of the Euclidean group E ( n ) ( the isometry group of R < sup > n </ sup >), where two subgroups H < sub > 1 </ sub >, H < sub > 2 </ sub > of a group G are conjugate, if there exists g ∈ G such that H < sub > 1 </ sub >= g < sup >− 1 </ sup > H < sub > 2 </ sub > g.

Two types of star clusters can be distinguished: globular clusters are tight groups of hundreds of thousands of very old stars which are gravitationally bound, while open clusters, more loosely clustered groups of stars, generally contain fewer than a few hundred members, and are often very young.

Two small groups speak languages of the Khoisan family peculiar to the Bushman and Khoikhoi peoples.

Two major interest groups were then formed.