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 once in a very long while comes a book that gives the reader a magic sense of sharing a rare experience.

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 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.

A Voices Only album has been released every year since 2005.

Only his former team mate, Bruce McLaren, has since matched the achievement.

Only one species protected by CITES, the Spix's Macaw, has possibly become extinct in the wild as a result of trade since the Convention entered into force ( but see case studies in Hutton and Dickinson and Stiles for further discussion of the role CITES has played in the fate of particular species ).

Only forty years after Michinaga's death, his Fujiwara heirs were not able to prevent the ascension of Emperor Go-Sanjō ( reigned 1068 – 1073 ), the first emperor since Emperor Uda whose mother was not a Fujiwara.

Only his two former team mates, Bruce McLaren and Dan Gurney, have since matched this achievement.

Only three other popes – Pius IX, Leo XIII, and John Paul II – have reigned for longer periods since.

Only bacteria that take up copies of the plasmid survive, since the plasmid makes them resistant.

Only since the 1960s has Alma-Tadema ’ s work been reevaluated for its importance within the nineteenth century, and more specifically, within the evolution of English art.

The notion of a supervillain threatening world leaders with a nuclear device has since become a cliché, and has been parodied in Charles K. Feldman's Casino Royale, Austin Powers: International Man of Mystery, The Simpsons episode " You Only Move Twice ", and other espionage spoofs.

Only since the end of World War I have women begun to wear their hair short and in fairly natural styles.

Only one species is thought to have become extinct since 1600, the Guadalupe Storm Petrel of Mexico, although a number of species had died out before this.

" Alarmed, James called for national fasting and public prayers, kept watch on the Firth of Forth for Anne ’ s arrival, wrote several songs, one comparing the situation to the plight of Hero and Leander, and sent a search party out for Anne, carrying a letter he had written to her in French: " Only to one who knows me as well as his own reflection in a glass could I express, my dearest love, the fears which I have experienced because of the contrary winds and violent storms since you embarked ...".

Only two of these species have been truly domesticated, one ( Apis mellifera ) at least since the time of the building of the Egyptian pyramids, and only that species has been moved extensively beyond its native range.

Only three films have won Best Picture without their directors being nominated ( though only one since the early 1930s ): Wings ( 1927 / 28 ), Grand Hotel ( 1931 / 32 ), and Driving Miss Daisy ( 1989 ).

Only one horse since then, Favorite Trick in 1997, has won that award as a two-year-old.

Only Sanya Richards-Ross has come within a quarter of a second of Freeman's time since.

Only since the mid 19th century has the name come into common usage for the whole range.

Only two other Mexican actresses have been nominated since then: Salma Hayek as Best Actress in 2002 for Frida and Adriana Barraza as Best Supporting Actress in 2006 for Babel.

The 1981 James Bond movie For Your Eyes Only caused a surge in sales of the car in Chile where it was specially imported from Spain to meet demand ( mostly in yellow ), since it had already been phased out on the Chilean assembly line.

Only the person with Immunity votes since the other two votes would cancel each other out.

Only 4 % of St. Vincent's alumni are from River Forest due to its location on North Avenue, since it is the only choice of Catholic schools for the southern portion of River Forest's neighbor, Elmwood Park.

Only one of these hotels, the Riverside Inn, remains in active use today and has been listed in the National Register of Historic Places since 1978.

William Manchester's A World Lit Only by Fire places the events in 1484 ( 100 years after the mention in the town chronicles that " It is 100 years since our children left ") and proposes that the Pied Piper was a psychopathic paedophile.

The album has been certified 9x Platinum by RIAA since its July 31, 1981 release ( Only their Greatest Hits, at 15x, has sold more copies ).