Using uniformitarianism, which states that one cannot make an appeal to any force or phenomenon which cannot presently be observed ( see catastrophism ), Darwin theorized that the evolutionary process must occur gradually, not in saltations, since saltations are not presently observed, and extreme deviations from the usual phenotypic variation would be more likely to be selected against.

He observed that passing steam over burning coal or tar caused the flames to burn brighter and without smoke, and he theorized that the steam was decomposed in this process.

Ramachandran theorized that there was a relationship between the cortical reorganization evident in the MEG images and the referred sensations he observed in his subjects.

However, it has been observed or theorized that individual doves are unlikely to fare well.

Aicardi syndrome is theorized to be caused by a defect on the X chromosome as it has thus far only been observed in girls or in boys with Klinefelter's syndrome.

The source was observed three times at a frequency of about 1420 MHz, one of the frequencies in the waterhole region, which is theorized to be a good candidate for frequencies used by extraterrestrial intelligence to broadcast contact signals.

Dentures, some have theorized, will trap alcohol, although experiments have shown no difference if the normal 15 minute observation period is observed.

Étienne Geoffroy Saint-Hilaire ( 1772 – 1884 ) theorized this in 1795 as the " unity of organic composition ," the influence of which is perceptible in all his subsequent writings ; nature, he observed, presents us with only one plan of construction, the same in principle, but varied in its accessory parts.

While it has not been observed, it is theorized that an atmosphere with a high enough pressure and temperature can undergo a ' hydrodynamic escape.

Some notable philosophers, such as Alasdair MacIntyre, have theorized freedom in terms of our social interdependence with other people.

Ayton and Fischer have theorized that people display positive recency for the hot-hand fallacy because the fallacy deals with human performance, and that people do not believe that an inanimate object can become " hot.

The Just-world phenomenon is the belief that people get what they deserve and deserve what they get, which was first theorized by Melvin Lerner ( 1977 ).

These conjectured, prehistoric people are now called " proto-Euphrateans " or " Ubaidians ", and are theorized to have evolved from the Samarra culture of northern Mesopotamia ( Assyria ).

Obsidian, a rare volcanic glass found only in Papua New Guinea had been discovered there, according to Dr Patrick D. Nunn, USP Professor of Ocean Science and Geography, who theorized that the people could originally have left southern China or Taiwan some 7000 years ago, settling in Papua New Guinea before drifting on to Fiji and other countries.

It is also theorized that certain people might be genetically predisposed to develop symptoms of RSD / CRPS after a significant or seemingly insignificant injury has been sustained.

Freud theorized that these obsessive ideas and similar thoughts were produced by conflicts consisting of the combination of loving and aggressive impulses relating to the people concerned.

It is theorized that the god Bes came from the Great Lakes Region of Africa, coming from the Twa people ( a pygmy group ) in Congo or Rwanda.

The researchers theorized that people experienced dissonance between the conflicting cognitions, " I told someone that the task was interesting ", and " I actually found it boring.

Based on these statements, some rabbis theorized that, in the words of Nethanel ibn Fayyumi, a Yemenite Jewish theologian of the 12th century, " God permitted to every people something he forbade to others ...< nowiki ></ nowiki > God sends a prophet to every people according to their own language.

One theorized reason for the increase in epidemiological estimates is that there exists a substantial minority of individuals with the genetic markers of Williams syndrome who lack the characteristic facial features or the diminished IQ considered to be diagnostic of the disorder, who often are not immediately recognized as people with the syndrome.

The belief that people get what they deserve and deserve what they get, which was first theorized by Melvin Lerner ( 1977 ).

The United States passed antitrust laws in the 1920s and social welfare laws in the 1930s ; after the Great Depression, people went to great lengths to rebuild their financial security, and it is theorized this led workers — who worked hard and long and felt underpaid — to take advantage of their positions.

As the border between New York and New Jersey split the area of the patent in 1798, Cohen theorized that some of these early free people of color moved west into the mountains.

Many political analysts have theorized that the Party, which has received very few votes in recent California elections, maintains its state ballot status because people join the Party mistakenly believing that they are registering as an " independent ," also known as a " non-partisan " or " decline-to-state " voter.

It has been theorized that humans are susceptible to self-deception because most people have emotional attachments to beliefs, which in some cases may be irrational.

Although at times historians theorized that the people migrated west to the Great Lakes ( or were pushed out by conflict with other tribes, including the Huron ), or suffered infectious disease.

Robert Anton Wilson theorized, in his book Prometheus Rising, that neophobia is instinctual in people after they become parents and begin to raise children.

He theorized that " paintings must be something between likeness and unlikeness, much like today's vulgarians, but not like to cheat popular people ".

Part one argues that rather than assuming people seek to maximize one utility, people are better theorized as pursuing two utilities: pleasure and morality.

“ David Ausubel theorized that people acquire knowledge primarily by being exposed directly to it rather than through discovery ” ( Woolfolk et al., 2010, p. 288 ) In other words, Ausubel believed that understanding concepts, principles, and ideas are achieved through deductive reasoning.

He theorized that a human being could very well survive the trip across the ocean without provisions and decided to test his theory himself in order to save thousands of lives of people lost at sea.

Some economists theorized the speculative boom leading up to October was caused by program trading, and that the crash was merely a return to normalcy.

It is theorized by some that Mari functioned as a trading post for southern Mesopotamia.

It is theorized that about 1. 5 million years ago, the earth endured a megadrought that drove hominids from lush rainforests into arid, open landscapes.

Mylodon has been traditionally considered a grazer in open areas, which is theorized based on its paleoenvironment as well as from the vegetation found in fossilized dung.

He theorized " man's nature is not a set thing, that it is ever emergent, that it is an open system, not a closed system.

Gopi Krishna theorized that the brain was in a state of organic evolution, and that the rising of Kundalini into the brain would open a normally silent chamber called brahma-randra in the yogic tradition.

It has been theorized by researchers that taller species living in the open are more visible from longer distances and more likely to benefit from horns to defend themselves against predators.

He theorized that a loss of personal responsibility in crowds leads to an inclination to behave primitively and hedonistically by the entire group.

He further theorized that comparing the self with others leads to pressures of uniformity.

However, the production of a muon / antimuon bound state, which is an onium, has been theorized.

He theorized that the policies of the power elite would result in " increased escalation of conflict, production of weapons of mass destruction, and possibly the annihilation of the human race.

The play is still disputed by those involved, particularly by living personnel from the Raiders and their fans, who insist the Raiders should have won ( in an NFL Films production about the play years later, Raider guard Gene Upshaw theorized that the real purpose of Swearingen's phone conversation was to see if there were enough police on hand to ensure the players ' safety if the play was ruled incomplete, and was then called in the Steelers ' favor out of fear ).

In the 19th century, Benjamin Tucker in the United States theorized free-market anarchism: " defense is a service like any other service ; that it is labor both useful and desired, and therefore an economic commodity subject to the law of supply and demand ; that in a free market this commodity would be furnished at the cost of production ; that, competition prevailing, patronage would go to those who furnished the best article at the lowest price ; that the production and sale of this commodity are now monopolized by the State ; and that the State, like almost all monopolists, charges exorbitant prices.

This approach was first theorized at the height of colonialism in Victorian England by Herbert Spencer who applied a notion of adaptation he borrowed from Francis Galton to social adjustment and efficient outcomes in wealth production.

His 1776 work, An Inquiry into the Nature and Causes of the Wealth of Nations, theorized that within a given stable system of commerce and evaluation, individuals would respond to the incentive of earning more by specializing their production.

The T-64s and BMP-1s were also joined by the self propelled guns and more importantly Mi-24 Rotary-wing aircraft capable of firing anti-tank missiles entering production in 1970 which were built and theorized as " flying tanks ".

Fructan is theorized to cause laminitis by causing an imbalance of the normal bowel flora leading to endotoxin production.

It is theorized that manufacturers who take part in e-cycling are motivated to use fewer materials in the production process, create longer lasting products, and implement safer, more efficient recycling systems.

In his famous book State capitalism in Russia ( 1948 ), Tony Cliff theorized that the law of value " tends to equalise supply and demand, a situation in which price is equal to value, or more correctly, is equal to price of production.