50 Years Ago
- Planetary Science
Mars ‘air’ found thinner
Readers get an update on the Red Planet's atmosphere and how new probes land there with parachutes.
- Astronomy
“Black holes” in space
Science News Letter was the first publication to use the term in print in 1964.
- Animals
Flightless birds face extinction
New Zealand’s flightless birds have limped through the last few decades, but conservation efforts have had some success.
- Health & Medicine
Cancer vaccine in near future foreseen
Excerpt from the December 21, 1963 issue of SCIENCE NEWS LETTER.
- Physics
New Atomic Accelerator
This excerpt from the December 14, 1963, issue of Science News Letter talks about how the atom smashers at Argonne National Lab have evolved.
- Planetary Science
Moon material on Earth
Scientists now think that tektites are a type of impactite, formed during the rapid heating and cooling of material ejected when a meteorite strikes Earth.
- Health & Medicine
Seek Meningitis Vaccine
Excerpt from the November 9, 1963, issue of SCIENCE NEWS LETTER.
- Planetary Science
Comet belt predicted near farthest planet
Observations have confirmed the existence of the Kuiper Belt, first proposed in 1963.
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- Cosmology
Huge Galactic Explosion
An excerpt from the October 5, 1963, issue of Science News Letter.
- Environment
Grain alcohol in gasoline?
An excerpt from the September 21, 1963, issue of Science News Letter.
- Animals
Porpoises Can Teach Man Marine Diving, Detection
Excerpt from the September 7, 1963, issue of Science News Letter
