Heather Archuletta

@Pillownaut

Tweto duo ergo sum... I am retweeted, therefore I am. NASA. Travels. Tea. Trek. 🖖🏽

Joined June 2009

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  1. Pinned Tweet
    17 Nov 2016

    SPACE SHUTTLE STALKS ITS PREY ... no matter how many times I see this, it always slays me. ;)

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  2. 30 minutes ago

    The slowest speed information travels inside the human mind is 260+ miles per hour -- beyond race cars! No one knows the actual top speed.

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  3. 31 minutes ago

    The Olde English word "gemynd" (perhaps later shortened to "mynd") referred specifically to memory. Further back, gemynd was of Germanic origin, from a longer root word for thought or memory recall.

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  4. 56 minutes ago

    Scientists don't understand why, but urban dwellers have more brain malfunctions than rural counterparts; most likely explanations are cognitive load of city life, excess dopamine from constant stimulation, and increased stress.

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  5. 1 hour ago

    TODAY! In history to come, it is the anniversarius futurus of First Contact. 🖖🏾 In 45 years, humans & extra-terrestrials will share the first handshake upon Vulcans detecting Earth's first neutrino-emission warp signature.

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  6. 1 hour ago

    Relying on GPS erodes a skill our ancestors developed over thousands of years: SENSE OF DIRECTION. When navigatory areas are no longer used, neural connections die by "synaptic pruning"

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  7. 2 hours ago

    Operations of individual brain cells are now understood in some detail, but the ways that millions cooperate in ensembles is still largely unknown.

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  8. 2 hours ago

    The human cerebral cortex contains 30+ billion neurons, connected by synapses. Neurons communicate via protoplasmic fibers (axons), which carry action potentials (signal pulses) to recipient cells in various body parts.

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  9. 2 hours ago

    The brain, located in the head near sensory organs such as eyes + ears, serves as the nervous system center in all vertebrate (and most invertebrate) animals.

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  10. 3 hours ago

    Subconscious mind is beneath conscious awareness & keeps us alive: keeps hearts pumping, lungs breathing, hair growing.

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  11. 3 hours ago

    The conscious mind is the thinking part of ourselves. It sets goals, makes decisions & interprets experiences.

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  12. 3 hours ago

    Today's series will be all about BRAINS, and in some cases, facts about what makes the human mind unique.

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  13. 3 hours ago

    Human brains continually alter structure, cells, circuitry, & chemistry as a result of all we do, think, & believe.

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  14. Retweeted
    16 hours ago

    My wife and I visited on Easter Sunday - It was fantastic!

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  15. Retweeted
    Replying to

    Just for this occasion, I was able to get a Hubble image of your asteroid!

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  16. Apr 4

    TODAY! Asteroid 91257 Wilwheaton makes its closest approach to Earth (1.8 AU) 🖖🏾 Discovered in Sep 2006 Thierry Pauwels at the Royal Observatory of Belgium, Uccle.

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  17. Apr 4

    Apollo 6 launched 50 years ago today, on April 4, 1968 -- the same day the incomparable Martin Luther King, Jr. was killed in Memphis, TN. The command module was donated to the Fernbank Science Center in Atlanta, Georgia (MLK's birthplace) in the civil rights icon's honor.

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  18. Retweeted
    Apr 4
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  19. Retweeted
    Apr 3

    ICYMI: A new episode of is posted on the channel. Check it out to learn how platypuses are helping with the development of antibiotics and SUBSCRIBE! Video:

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  20. Apr 3

    My grandmother found this in a closet and says she has no idea what's on it. This oughta be good, LOL 😆😆😆

    Roll of KODAK film
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  21. Retweeted
    Apr 3

    : San Francisco General Hospital confirms they are receiving patients after reports of active shooter at YouTube headquarters - KNTV LIVESTREAM >>

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