found, uncovered, unearthed, detected, spotted, noticed, revealed, alerted, realized, learned, encountered, retrieved, excavated, searched, identified, traced, disappeared, rediscovered, arrived, notified, believed, reported, surfaced, deduced, twigged, recovered, exposed, henri becquerel, reappeared, theorized, hid, raided, suspected, vanished, postulated, observed, explored, dug, returned, scoured, surmised, hypothesized, disinterred, existed, zeroed, unmasked, confirmed, developed, investigated, lain, deciphered, concealed, exhumed, disclosed, checked, saw, emerged, resurfaced, fossilised, confessed, knew, apprehended, discerned, buried, examined, rock hyrax, confiscated, seized, bought, mistook, showed, concluded, occurred, arrested, cottoned, glimpsed, figured, originated, removed, confided, confronted, ascertained, experimented, secreted, carboniferous period, presumed, claimed, homed, called, sampled, researching, abandoned, tell el amarna, thought, acknowledged, assumed, died, studied, contained, awakened, jawless fish, admitted, born, holland, marquis, revised, a.c., a.d., acquired, appleton, appointed, arisen, arranged, aug., ave, b.c., b.c.e., bake, baron, bc, undiscovered, unexploited, undeveloped, unexplored, littleknown, newlydiscovered, discoverable, extant, fundamental, untouched, aforesaid, datable, disputed, lished, recondite, unpopulated, unrevealed, vast, basic

., a. e. kennelly, acceptance sampling, adiantum tenerum farleyense, adolf windaus, alan hodgkin, alexander fleming, alexandre emile jean yersin, alexandre yersin, ali baba, am, americium, anderson, andrew fielding huxley, andrew huxley, angiohemophilia, antibiotic, antoine henri becquerel, antoine laurent lavoisier, antoine lavoisier, arthur edwin kennelly, asaph hall, ascertained, atomic number 61, atomic number 87, atomic number 95, atomic number 97, atomic number 98, balboa, banting, barbados maidenhair, bartholin, beadle, becquerel, behring, bering, berkelium, berzelius, bk, buchner, cabot, californium, captain cook, captain james cook, carl anderson, carl david anderson, carl gustaf mossander, carter, caspar bartholin, cathaya, cecil frank powell, ceres, cf, chain, chiacoan peccary, christiaan eijkman, christian friedrich schonbein, christian schonbein, christopher columbus, clyde william tombaugh, cognitive content, cold fusion, columbus, conceal, content, cook, cordoba, cordova, counterpreparation fire, cowper, cristobal colon, cristoforo colombo, crookes, curl, cystine, david livingstone, dawn redwood, dawson, discover, discovery, eduard buchner, edward calvin kendall, edward kendall, edward lawrie tatum, edwin hubble, edwin powell hubble, eijkman, electromagnetism, ernest rutherford, ernst boris chain, erwin schrodinger, evans, f. g. banting, faraday, farley maidenhair, farley maidenhair fern, fetal distress, first baron rutherford, first baron rutherford of nelson, fleming, florey, foetal distress, fountain of youth, fr, francisco fernandez cordoba, francisco fernandez de cordova, francis peyton rous, francium, fuchsia, galilean, galilean satellite, genus pseudoryx, george beadle, george ellery hale, george paget thomson, george wells beadle, giovanni cabato, glory fern, golden gate, gold rush, gray, hale, hall, hans adolf krebs, harold clayton urey, harold kroto, harold urey, harold w. kroto, heinrich schliemann, henri becquerel, henry hudson, henry rowe schoolcraft, herbert mclean evans, herschel, hide, hideyo noguchi, hipparchus, hodgkin, hooke, howard carter, howard florey, hubble, hudson, huggins, huxley, identity, james alfred van allen, james clark ross, james cook, james prescott joule, jean-frederic joliot, jean-frederic joliot-curie, john cabot, john hanning speke, john speke, john william strutt, joliot, joliot-curie, jons jakob berzelius, joseph john thomson, joseph priestley, joule, karl landsteiner, karl scheele, karl wilhelm scheele, kendall, kennelly, klaproth, klondike, krebs, kroto, ladrone islands, landsteiner, lavoisier, leakey, livingstone, living will, lobachevsky, long beach, lord rayleigh, magenta, manson, marianas, mariana islands, martin heinrich klaproth, mary douglas leakey, mary leakey, medawar, mental object, mesabi range, metasequoia, metasequoia glyptostrodoides, michael faraday, mosander, muller, murder mystery, mycostatin, nag hammadi, nag hammadi library, new, newfound, nikolai ivanovich lobachevsky, nikola tesla, noguchi, north sea, nystan, nystatin, observed, paget, pallas, paul hermann muller, peter medawar, peyton rous, pm, powell, priestley, promethium, prudhoe bay, pseudoryx, purplish pink, quarrel, rayleigh, reuptake, richard e. smalley, richard errett smalley, richard smalley, robert curl, robert f. curl, robert gray, robert hooke, roentgen, rontgen, ross, rous, rutherford, scheele, schliemann, schonbein, schoolcraft, schrodinger, simpson, sir alan lloyd hodgkin, sir alexander fleming, sir ernst boris chain, sir frederick grant banting, sir frederick william herschel, sir george paget thomson, sir hans adolf krebs, sir harold walter kroto, sir howard walter florey, sir james clark ross, sir james paget, sir james young simpson, sir joseph john thomson, sir patrick manson, sir peter brian medawar, sir ronald ross, sir william crookes, sir william herschel, sir william huggins, smalley, snake, snake river, solferino, speke, strait of magellan, sweep under the rug, tatum, tesla, thalidomide, third baron rayleigh, thomson, time capsule, tmv, tobacco mosaic virus, tombaugh, treasure trove, tutankhamen, undiscovered, unexplored, urey, van allen, vasco nunez de balboa, vascular hemophilia, vesta, virgin islands, vitus behring, vitus bering, von willebrand's disease, watcher, wilhelm konrad roentgen, wilhelm konrad rontgen, william cowper, william crookes, william herschel, william hyde wollaston, windaus, wollaston, wollemi pine, yersin

ascertained, determined, disclosed, observed, revealed, unconcealed