50 Years Ago

  1. 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.

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  2. 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.

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  3. Tech

    Early satellite TV predictions highlighted instant communication potential

    Satellite communication started as science fiction but soon became reality.

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  4. Health & Medicine

    In 1965, hopes were high for artificial hearts

    Developing artificial hearts took longer than expected, and improved devices are still under investigation.

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  5. 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.

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  6. Tech

    50 years ago, an automat began taking paper money

    Ubiquitous today, vending machines that accepted bills were once considered exciting technological achievements.

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  7. Neuroscience

    Claim of memory transfer made 50 years ago

    Scientist’s claims of transferred memories were more fiction than fact.

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  8. 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.

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  9. Tech

    Flame-finding pistols set off decades of blazing technology

    Researchers unveiled a gun-shaped flame detector in 1965

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  10. 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.

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  11. Science & Society

    Tech in the classroom foreseen 50 years ago

    Fifty years ago, scientists were looking forward to technology in the classroom.

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  12. Plants

    Fifty years ago, ethylene research ripened

    In 1965, scientists realized ethylene was the molecule that ripens fruit.

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