1959 | Nutcracker Man
In East Africa, Louis Leakey excavates the skull of the oldest known hominid at the time, Zinjanthropus boisei, now called Paranthropus boisei (12/5/59, p. 379).
1960 | Laser
Theodore Malman demonstrates the first optical maser, or laser (4/23/60, p. 259).
1960 | Marrow transplant
Physicians report successfully transplanting bone marrow from one woman to another with Hodgkin's-like disease (1/23/60, p. 54).
1961 | Cosmonaut
Yuri Gagarin of the Soviet Union becomes the first human to orbit the Earth (4/22/61, p. 243).
1963 | Cancer screening
Mammography is shown to be a valuable gauge of the presence of breast tumors (3/23/63, p. 184).
1963 | EM pulse
Military tests show that a high-altitude atomic bomb detonation could unleash a broad electromagnetic pulse that would disrupt all electronics (11/9/63, p. 293).
1964 | Quarks
Murray Gell-Mann and George Zweig independently propose the existence of quarks--fractionally charged particles within protons and neutrons (4/25/64, p. 261). N
1964 | Quasars
Astronomers describe 12 strange celestial objects that appear sometimes starlike and sometimes galaxy-like as quasars, for quasi-stellar objects (5/9/64, p. 297).
1965 | Antibiotic resistance
Doctors report that Staphylococcus bacteria are becoming resistant to antibiotics (1/30/65,p. 69).
1966 | Moon landing
The Soviet Luna 9 spacecraft makes the first soft landing on the moon (2/19/66, p. 114).
1967 | Heart transplant
Christiaan Barnard in Cape Town, South Africa, transplants a human heart into Louis Washkansky (12/16/67, p. 581;1/6/68, p. 8).
1967 | Pulsar
The first pulsar--stellar objects emitting beams of radiation that look from Earth like pulses--is discovered (3/16/68, p. 255; 8/3/68, p. 114; 10/12/68, p. 362). N
1969 | Man on moon
Apollo 11 astronauts Nell Armstrong and Buzz Aldrin walk on the moon (7/26/69, p. 71,72,75).
1969 | In vitro fertilization
Scientists report for the first time test-tube fertilization (shown above) of human eggs (3/1/69, p. 209). N
Please note: Illustration(s) are not available due to copyright restrictions.
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|Title Annotation:||90TH ANNIVERSARY ISSUE: 1950-1965; scientific and technological breakthroughs|
|Date:||Mar 24, 2012|
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