50 Years Ago
- Archaeology
Mystery still surrounds Neandertals
Neandertals’ relationship to modern humans is still a matter of debate.
- Astronomy
Cosmic rays maintain their mystery
Cosmic rays come from all over the universe, including some places we’re not so sure about.
- Neuroscience
1960s dog brain transplant was not followed by human studies
A pioneering study to transplant a dog’s brain led to later work on a monkey, but ethical considerations and technical know-how have prevented further work.
- Plants
Early cyanobacteria fossils dug up in 1965
In 1965, early photosynthetic plant fossils were discovered. The date of earliest oxygen-producing life forms has since been pushed much earlier.
- Tech
Early satellite TV predictions highlighted instant communication potential
Satellite communication started as science fiction but soon became reality.
- Health & Medicine
In 1965, hopes were high for artificial hearts
Developing artificial hearts took longer than expected, and improved devices are still under investigation.
- Astronomy
Two stars were once considered coldest known
Two stars once thought to be the coldest known are actually scorching compared with some truly frigid brown dwarfs.
- Tech
50 years ago, an automat began taking paper money
Ubiquitous today, vending machines that accepted bills were once considered exciting technological achievements.
- Neuroscience
Claim of memory transfer made 50 years ago
Scientist’s claims of transferred memories were more fiction than fact.
- Planetary Science
First craters on Mars spotted 50 years ago
Fifty years ago, Mariner 4 revealed that the Red Planet was peppered with craters. Now we know pockmarks are common on many other planets and moons, too.
- Tech
Flame-finding pistols set off decades of blazing technology
Researchers unveiled a gun-shaped flame detector in 1965
By Beth Mole - Planetary Science
50 years ago, Mariner 4 sent back first pictures from Mars
On July 14, 1965, Mariner 4 became the first spacecraft to fly by Mars. The probe also sent back the first pictures of another planet taken from space.