k3
Kalashnikov and the AK-47, 1947 +
kaleidoscope, a toy +
kamikaze, a Japanese suicide bomber +
kangaroo +
kangaroo's pouch +
Kangxi Dictionary and Chinese radicals, 1716 +
Kanner and autism, 1943 +
Kano and Judo, 1882 +
Kao and fiber-optic communication, 1966 +
kart racing +
Katz and activities of daily living, 1963 +
KB, kilobytes +
KB, a; 1024 bytes +
KB, 30; 6.5 full pages of 11 pt English text +
KDKA and the radio station, 1920 +
keen competition -
keen interest +
keep a secret +
keep abreast of modern developments +
keep fit +
keep good time +
keep in check +
keep in mind +
keep it clean +
keep it dark +
keep it in good condition +
keep it in mind +
keep it under your hat +
keep left +
keep mum +
keep my distance +
keep my eyes open +
keep my fingers crossed +
keep my head +
keep my head above water +
keep my options open +
keep my temper +
keep out +
keep pace +
keep someone at a distance +
keep straight on +
keep the change +
keep the lid on +
keep the peace +
keep the traffic flowing +
keep to myself +
keep up old customs +
keep up on the news +
keep vigil, to keep watch +
keep watch +
keep, keep, keep; the ideation of a hoarder -
Kekule and the benzene ring, 1865 +
Keller and the Black Forest cake, 1915 +
Kellogg and Corn Flakes, 1894 +
Kellogg and Rice Krispies, 1928 +
Kendall, Mason, and cortisone, 1936 +
Kevlar, a stronger-than-steel polymer +
Kelvin and the heat pump, 1851 +
kept in the background -
kerosene, a fuel oil +
kettle sings, the +
Key, Smith, and The Star-Spangled Banner, 1931 +
key industry, a +
key ring +
key to the mystery, the +
keyhole saw +
keynote address +
keynote speech +
keys in a grand piano, 88 +
KGB, the secret police of the USSR -
Kidd and naphthalene, 1821 +
kidney bean +
kidney machine +
kidney stone -
kidney transplant +
Kikunae and MSG, 1908 +
Kilby and the integrated circuit, 1958 +
kill myself, kill myself, kill myself; the ideation of suicide -
kill two birds with one stone +
kill, kill, kill; the ideation of a killer -
killer whale, a black-and-white toothed whale +
kilobytes, KB +
kilometer, km +
kind to animals +
kindergarten +
kindled our hopes +
kindly shut the door +
king and queen +
king crab +
king of beasts +
King Louis XIV and necktie, c. 1646 +
king penguin +
Kinnaird, Robarts, and the YWCA, 1855 +
Kinsey and Sexual Behavior in the Human Male, 1948 +
Kinsey and Sexual Behavior in the Human Female, 1953 +
Kipping and silicones, 1900 +
Kirchoff, Bunsen, and the spectroscope, 1859 +
Kirsten and the flat-headed thumb tack, 1904 +
kiss my ass(vulgar) x
kiss of death -
kissed the ground +
Kissiah and cochlear implants, 1977 +
kissing zone +
kite +
kiwi, a bird with a long bill +
KKK, a secret society of white nationalism -
KKK, Ku Klux Klan, 1865 -
KKK and cross burning, 1905 -
Klaproth and uranium, 1789 +
Klein and the electric wheelchair, 1952 +
Klinefelter syndrome, associated with defective testicular function -
Klinefelter syndrome; caused by an extra copy of the X chromosome, XXY -
Klinefelter and Klinefelter syndrome, 1942 +
km, kilometer +
knee jerk +
knee joint +
Knerr, Melin, and the hula hoop, 1957 +
knew how to bake a cake +
knew it in my heart +
knew it only by rote -
knife and fork +
knife in the back -
knit my brow -
knitting needle +
knock knees -
know a subject inside-out +
know by sight +
know his mind +
know how to handle people +
know how to please people +
know it backwards and forwards +
know my limitations +
knowns: represented by a, b, c; the +
knowns and the unknowns, the +
koala bear +
Kodak and the color photograph, 1935 +
Koechlin, Nouguier, and the Eiffel Tower, 1889 +
koi, a multi-colored pond fish +
kola nut +
Kolff and dialysis, 1943 +
Koplow and the word processor, 1974 +
Koran, the sacred book of the Muslims +
Korea and taekwondo, 1940s +
Korolev and the artificial satellite, 1957 +
Korsakoff and Korsakoff's syndrome, late 1800s +
Korsakoff's syndrome, caused by a lack of vitamin B1 -
Korsakoff's syndrome, caused by alcoholic damage to the mammillary bodies -
Korsakoff's syndrome, characterized by gaps in memory and invented memories -
Kraepelin and bipolar disorder, late 1800s +
Krichevsky and powdered milk, 1802 +
Ku Klux Klan, KKK -
Kubler-Ross and 5 stages of grief, 1969 +
Kuhne and enzymes, 1878 +
kung fu, an unarmed combat +
kung fu dancing +
Kunz and thalidomide, 1953 +
Kwolek and Kevlar, 1964 +