There was the revolution in Tibet which we pretended did not exist.

There are two kinds of microsporogenesis: successive and simultaneous ( although intermediates exist ).

There is considerable speculation as to why the observable universe is apparently composed almost entirely of matter ( as opposed to a mixture of matter and antimatter ), whether there exist other places that are almost entirely composed of antimatter instead, and what sorts of technology might be possible if antimatter could be harnessed.

There exist pairs of long and short vowels with overlapping vowel quality giving Australian English phonemic length distinction, which is unusual amongst the various dialects of English, though not unknown elsewhere, such as in regional south-eastern dialects of the UK and eastern seaboard dialects in the US .< ref >

There is no scientifically accepted evidence that any such powers exist or that any anomalous operations have been observed in reality.

There is no clear consensus as to how many types of bipolar disorder exist.

There is general consensus that supermassive black holes exist in the centers of most galaxies.

There also exist today several federal constitutional monarchies.

There exist at least two different types of constitutional monarchies in the modern world-executive and ceremonial.

There also exist open-source applications written in Common Lisp, such as:

* There exist integers x and y such that ax + by = 1 ( see Bézout's identity ).

* There exist context-sensitive languages which are not context-free.

There exist programs that generate " human-sounding " melodies by using a vast database of phrases.

There exist many kinds of isomerism in coordination complexes, just as in many other compounds.

There exist laws restricting or regulating circumcision, some dating back to ancient times.

There exist, as yet, few comprehensive studies of the global division of labour ( an intellectual challenge for researchers ), although the ILO and national statistical offices can provide plenty of data on request for those who wish to try.

There does exist in Filipino an equivalent, gender-neutral term for the professional that carries the more general notion of " healer ", traditional ( for example, an albuláryo ) or otherwise: manggagámot.

There exist some very common erroneous ideas about the Inuit.

There also exist planetary-mass objects that orbit brown dwarfs and other bodies that " float free " in space not bound to any star ; however, the term " planet " is not always applied to these objects.

There exist two types of electric charges, called positive and negative.

There exist other formulations of rules, which are not in everyday language, understandable only to computer scientists.

There have been attempts to resolve the Fermi paradox by locating evidence of extraterrestrial civilizations, along with proposals that such life could exist without human knowledge.

There also exist a host of games where the term " graffiti " is used as a synonym for " drawing " ( such as Yahoo!

There may exist multiple cages for a given girth.

There is a large risk of landslides along the river and historical notes of 15 landslides exist.

There were two pairs of aediles.

There are two opposing pairs of elements: cold vs. fire and lightning vs. acid / poison.

There are five different groups of pairs lifts, differentiated by the holds involved.

There are derivational suffixes for verbs, which carry frequentative, momentane, causative, and inchoative aspect meanings also, pairs of verbs differing only in transitivity exist.

There may also be " near minimal pairs " or other data which show that speakers of the language perceive two sounds as significantly different even if no exact minimal pairs exist in the lexicon.

Conversely, from a partial order on a partition of a set S one can construct a preorder on S. There is a 1-to-1 correspondence between preorders and pairs ( partition, partial order ).

There are an estimated 14 thousand copies of Mariner in the human genome comprising 2. 6 million base pairs.

There are more advanced representations such as Log Area Ratios ( LAR ), line spectral pairs ( LSP ) decomposition and reflection coefficients.

There can be no cable bridge taps across any pairs.

There are 808, 675, 888, 577, 436 twin prime pairs below 10 < sup > 18 </ sup >.

There are pairs of transit markers at various points along the non-tidal river that can be used to check speed – a boat travelling legally taking a minute or more to pass between the two markers.

There are pairs of solvents for which this is not the case.

There are two pairs of gills.

There are six different pairs of correlative conjunctions:

There are many colorful stories of how the cats first came to France, including pairs of cats being a reward for helping defend a temple, or being smuggled out of Burma by a Vanderbilt.

There are six pairs of thoracic limbs, referred to as " cirri ", which are feathery and very long, being used to filter food from the water and move it towards the mouth.

There are twenty possible ordered pairs ( four shapes times five colors ), one of which is

There are three pairs present in this mural: the leftward couple of the elderly woman and the man who kisses her hand, another couple locked in a final embrace, and a third one of two stooping men.

There exist, in the hyperbolic plane, ( countably ) infinitely many pairs of constructible circles and constructible regular quadrilaterals of equal area.

There are four pairs of small thoracic appendages.

There are an infinite number of irrational reciprocal pairs that differ by an integer ( giving the curious effect that the pairs share their infinite mantissa ).

There are also several hundred nesting pairs of bald eagles in this area.