Scientific Discoveries of the 1970s

1234567
Across
  1. 4. The development of this medical imaging technique allowed for the detection of breast cancer.
  2. 5. This subatomic particle was discovered in experiments at Fermilab in 1977.
  3. 7. The identification of this virus as the cause of AIDS was a major breakthrough in virology.
Down
  1. 1. American astrophysicist known for his work on the nature of pulsars.
  2. 2. American chemist who shared the Nobel Prize for the development of the first chemical laser.
  3. 3. This space station, launched in 1971, marked the beginning of long-term human habitation in space.
  4. 6. American biochemist who discovered the enzyme reverse transcriptase, crucial in the replication of retroviruses.