During thelarche, the developing breasts sometimes are of unequal size, and usually the left breast is slightly larger ; said condition of asymmetry is transitory and statistically normal to female physical and sexual development.

During normal gameplay, arrows scroll upwards from the bottom of the screen and pass over a set of stationary arrows near the top ( referred to as the " guide arrows " or " receptors ", officially known as the Step Zone ).

During the last several decades the number of El Niño events increased, and the number of La Niña events decreased, although we may need to observe ENSO for much longer to detect robust changes The question is whether this is a random fluctuation or a normal instance of variation for that phenomenon or the result of global climate changes toward global warming.

During 1920-50, the leaders of the Communist Party and Soviet state considered repressions as a tool for securing the normal functioning of the state system as well as preserving and strengthening positions of their social base, presented by working class, in society.

During normal times sailors weren't allowed to take any water away.

During gametogenesis — the production of new gametes by an adult — the normal complement of 46 chromosomes needs to be halved to 23 to ensure that the resulting haploid gamete can join with another gamete to produce a diploid organism.

During partial eclipses most sunlight is blocked by the Moon passing in front of the Sun, but the uncovered parts of the photosphere have the same surface brightness as during a normal day.

During this leg of the trip, the traveling twin sees his own clock advance 3 years and the clock in the screen advance 1 year, so it seems to advance at the normal rate, just 20 image seconds per ship minute.

During birth, the elasticity of the vagina allows it to stretch to many times its normal diameter.

During normal calcification, a major influx of calcium and phosphate ions into the cells accompanies cellular apoptosis ( genetically determined self-destruction ) and matrix vesicle formation.

During normal breathing, expiration is passive and no muscles are contracted ( the diaphragm relaxes ).

During this time he taught himself the Portuguese language to read the poet Camões in the original ; as insufficient Russian-speaking officers were available at the War Office, his knowledge of the Russian language and textual analysis skills were used to translate a Russian parachute training manual-a task he completed after 11pm on top of his normal duties, deducing the meaning of many technical terms from the context ; he was convinced that the Soviet Union must eventually enter the war on the Allied side.

During the first season, the theme music was played over a short film of a flashing blue light attached to the rear of a police motorcycle in Waikiki heading west ( the film is shown at twice the normal speed, as can be seen from people crossing a street behind the police motorcycle ).

During the cycle, the red second hand continues its normal 1 rpm motion but is held in place when it reaches the 60 second mark.

During these years he treated Kent " as an ordinary province of the Mercian kingdom ", and his actions have been seen as going beyond the normal relation of overlordship and extending to the annexation of Kent and the elimination of a local royal line.

During the pregnancy ( usually later in it ), the woman may have glucose ( sugar ) in her blood at a higher than normal level.

During synthesis zirconium oxide would naturally form monoclinic crystals, its stable form under normal atmospheric conditions.

During peak travel, often the time of travel can be shortened as the number of passengers is significantly small compared to normal bus services.

During normal cell division, each chromosome is replicated and the original chromosome is attached to the new copy.

During normal flight, the upper wing surface experiences reduced static air pressure and the lower surface comparatively higher static air pressure.

During courtship the male sings whilst he runs and postures, exhibiting his snowy breast, and when displaying he will take long and high flights, like those of the Common Kingfisher, accompanied by sharp metallic calls clink, clink, different from the normal zil.

During a period of La Niña, the sea surface temperature across the equatorial Eastern Central Pacific Ocean will be lower than normal by 3 – 5 ° C.

During the day, use of the compass while judging drift from sea currents was normal procedure ; at night, all flight crews were trained to use celestial navigation.

During such survey work it is normal to survey from point to point along the line and then survey back to the starting point, where no errors would coincide.

During significant weather or other events the normal schedules can be altered to provide coverage requested by the National Weather Service and other agencies.

During the night, a phone company technician had deadened the bells and installed red blinkers on the phones.

During a 1933 tsunami in Japan the sea glowed brilliantly at night.

During the night of 30 ( 17 ) June 1913 they attacked the Serbian army at Bregalnica river and then the Greek army in Nigrita.

During the night of February 10, 2010, the Sichem Osprey, a Maltese chemical tanker, ran aground on Clipperton Island on its way from the Panama Canal to South Korea.

During this time, they still produced prolifically for artists on their new label as well as continuing Solid Steel on Kiss FM, running the night club Stealth ( Club of the Year in the NME, The Face, and Mixmag in 1996 ) and multimedia work with Hex.

During Carmilla's stay, Laura has nightmares of a fiendish cat-like beast entering her room at night and biting her on the chest.

During the night, he was joined by his relatives, including Domitian.

During a night of confusion and failed negotiations President Mahuad was forced to flee the presidential palace for his own safety.

During a daring raid on Cremona on the night of 31 January / 1 February 1702 Eugene captured the French commander-in-chief.

During the night, the atmosphere cools somewhat, but not greatly, because its emissivity is low, and during the day the atmosphere warms.

During the night, a fierce storm destroyed his fleet and about a third of his men were lost.

During the night cosmic rays produce a residual amount of ionization.

During the night between 5 and 6 January, at Jerusalem, the Haganah bombed the Semiramis Hotel that had been reported to hide Arab militiamen, killing 24 people.

During World War II, in Bulgaria, the Red Army crossed the border and created the conditions for a communist coup d ' état on the following night.

During the night of Diwali, holy hymns are recited and meditation is done on Mahavira.

During the night, the Blackfeet tried to steal their weapons.

During each night of prayers, which can last for up to two hours each night, usually one member of the community who has memorized the entire Quran ( a Hafiz ) will recite a segment of the book.

During the last ten days of Ramadan, larger mosques will host all-night programs to observe Laylat al-Qadr, the night Muslims believe that Muhammad first received Quranic revelations.

During the airborne phase of the Normandy invasion on the night of 5 – 6 June 1944, British 6th Airborne Division captured all its key objectives in advance of the seaborne assault, including the capture and holding at all costs of a vital bridge over the Caen Canal, near Ouistreham.

During the night of 2 – 3 April 1767, all the Jesuit houses of Spain were suddenly surrounded, the inhabitants arrested, shipped to the ports in the clothes they were wearing and bundled onto ships for Civitavecchia.

During the 2001 regular season, the Patriots hosted the Rams in a nationally televised ESPN Sunday night game on November 18.

During the night they decide Sally should be killed by " Grandpa ".

During the rainy night, Key had witnessed the bombardment and observed that the fort's smaller " storm flag " continued to fly, but once the shell and Congreve rocket barrage had stopped, he would not know how the battle had turned out until dawn.

During the night 29 – 30 January 1943, Chapman with MI5 officers faked a sabotage attack on his target, the de Havilland aircraft factory in Hatfield, Hertfordshire, where the Mosquito was being manufactured.