Only when the newest Mr. America or Mr. Universe discovers them and puts them into practice are we reacquainted with them and once again see how effective they really are.

Only once were stalked ciliates found in the mixed liquor.

Only small, isolated sections are left standing with the largest portion lying in a pile of rubble that stretches the length of where the aqueducts once stood.

Only a small minority of parishes with a priest do not celebrate the Eucharist at least once each Sunday.

Only in the mid-20th century did the Republic's population start to grow once more, but emigration was still common until the 1990s.

Only three other players have achieved this feat more than once: Sir Gary Sobers, Mushtaq Mohammad and Jacques Kallis, who have each done it twice.

Only once, in August 1942, did Ribbentrop attempt to impede the deportations, but only because of jurisdictional disputes with the SS.

Only once before in the tournament's 126-year history had a defending men's champion lost in the opening round, in 1967, when Manuel Santana was beaten by Charlie Pasarell.

Only in 1341 were they once again able to settle in the town, by royal decree.

Only one of the powerups can be active at once, and their effects last for a limited time.

Only once since then has the House of Representatives chosen the President: In 1824, Andrew Jackson received 99 electoral votes, John Quincy Adams ( son of John Adams ) 84, William H. Crawford 41 and Henry Clay 37.

Only once before — when Woodrow Wilson asked Congress to order the U. S. into World War I — had a sitting president addressed Congress at night.

Only once a star has exhausted all its nuclear fuel can it collapse to such a small size, and so planetary nebulae came to be understood as a final stage of stellar evolution.

Only once the connection is opened to the server can the identifying signature be sent and detected, and the connection torn down.

Only once did Hals portray a couple, Isaac Massa and his wife on a single canvas: Double Portrait of a Couple, ( c. 1623, Rijksmuseum Amsterdam ).

Only a few playwrights have been awarded the Pulitzer Prize for Drama more than once.

Despite the apparent evils of Baudelaire, author of Les fleurs du mal, he had once remarked, in regard to the artist, that " The more a man cultivates the arts, the less randy he becomes ... Only the brute is good at coupling, and copulation is the lyricism of the masses.

Only a single egg is laid per nesting attempt, and usually only a single nesting attempt is made per year, although the larger albatrosses may only nest once every two years.

Only once, when they are in bed together, can he not get an erection.

Only small parts of the once enormous heaths and marshlands have survived until modern times.

( Only once in the 2nd century – in 157 BC – did a member of the family become consul.

Only the church and vicar appear the same but he has a shock when he discovers an old girlfriend, for in his eyes she has been so ravaged by time that she is almost unrecognizable and is utterly devoid of the qualities he once adored.

Only few early buildings remain in Placerville: as was the case in most mining towns, Placerville suffered more than once from fires that burned a large part of the town.

Only a few aged box and yew-trees now remain to tell of the luxuriant verdure that once grew around the Abbey.

Only a very few of the more advanced ones, such as India and Pakistan, have developed systematic techniques of programing.

Only a few other people -- very important people -- knew of the nitrogen-mustard eggs nestled below decks.

Only the oldest of the Catholic Ambrosians, the Fratres S. Ambrosii ad Nemus, had anything more than a very local significance.

Only then in fact was payment for assembly attendance, the central event of democracy ( Similarly for the period before the Persian wars, but for the very early democracy the sources are very meagre and it can be thought of as being in an embryonic state ).

Only a very small number of Mark 1 stock was fitted with the B4 bogie from new, it being used on the Mark 1 only to replace worn BR1 bogies.

Only a very small percentage or a tiny fraction of people can ever make a name for themselves as celebrities in the entertainment spheres such as ( including music, film, television, radio, theater, modelling, literature etc.

Only a very small number remains in service.

Only a very few comparable DOSes were stored elsewhere than floppy disks ; among these exceptions were the British BBC Micro's optional Disc Filing System, DFS, offered as a kit with a disk controller chip, a ROM chip, and a handful of logic chips, to be installed inside the computer ; and Commodore's CBM DOS, located in a ROM chip in each disk drive.

Only a very few Protestants believe in the infallibility of ecumenical councils, but they usually restrict this infallibility to the Christological statements of the first seven councils.

Only his family was told, however, and as the doctors gave Sullivan very little time, the family chose to keep the diagnosis from him.

Only very rarely was a prince without a mother of descent from such families allowed to ascend the throne.

Only a very small number of copies could be made at a time, so circulation was extremely limited.

Only in civil society, can man be ennobled — through the use of reason: The passage from the state of nature to the civil state produces a very remarkable change in man, by substituting justice for instinct in his conduct, and giving his actions the morality they had formerly lacked.

Only a very few cases are truly the result of unprovoked attacks by abnormal individuals which lost their fear towards humans.

Only one of this first series ( and very few of the following three in which he did not appear ) has survived, the rest of the original disc recordings having apparently been destroyed or discarded as no longer usable, so there is almost no record of his work as a radio " Goon ".

Only very few modern programs still honor this behavior, such as Lotus Notes, and Microsoft Excel.

Only the extreme northwest was glaciated during the Quaternary, but almost all is under exceptionally deep permafrost and the only tree that can thrive, despite the warm summers, is the deciduous Siberian Larch ( Larix sibirica ) with its very shallow roots.

Only in very few of these cases is it possible to demonstrate direct links to Ockham or his texts.

Only 20 % of the power produced by the D-T reaction could be used this way ; the other 80 % is released in the form of neutrons which, because they cannot be directed by magnetic fields or solid walls, would be very difficult to use for thrust.

Only in very wet years, perhaps every 20 years, does the stream system in the Closed Basin flow as a connected unit into San Luis Lake at the low point of the Closed Basin west of the Great Sand Dunes.

Only a very small number of triplanes were ever built, but the format does have the advantage of allowing an aircraft a high degree of maneuverability combined with a very good climb rate.

Only the originator ( sometimes called the " pharaoh ") and a very few at the top levels of the pyramid make significant amounts of money.