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Humans Use 3 Percent Brain Funny Science Postcard

Qty:
Signature Matte
18 pt thickness / 120 lb weight Soft white, soft eggshell texture
-$0.45

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Size: Standard Postcard

Create your own vacation-worthy postcard! Any view you’ve seen, any monument you’ve fallen in love with, can all be added to your postcard with our personalisation tool.

  • Dimensions: 14.22 cm L x 10.79 cm H; qualified USPS postcard size
  • High quality, full-colour, full-bleed printing on both sides

Paper Type: Signature Matte

Our Signature Matte paper is a customer favourite—smooth to the touch with a soft eggshell texture that elevates any design. Its sturdy 18 pt weight and natural feel make it the ideal choice for timeless, sophisticated events.

  • Exclusively made for Zazzle

About This Design

Humans Use 3 Percent Brain Funny Science Postcard

Humans Use 3 Percent Brain Funny Science Postcard

Challenge your intellect with this brilliantly layered science meme that takes a classic myth and turns it into a recursive comedy masterpiece. The design opens with the bold headline "NEW STUDY: HUMANS ONLY USE 3% OF THEIR BRAIN CAPACITY" — a playful twist on the famous urban legend. But the real genius lies in the follow-up punchline: "THE SCIENTIST WHO FOUND THIS ALSO USED HIS BRAIN..." followed by the devastating question, "SO... IS THE STUDY ONLY 3% ACCURATE?" The deep navy background creates a sophisticated, laboratory-inspired canvas that makes the bold yellow, white, and red typography pop with academic authority. The thinking face emoji and the split-brain illustration — one half bright pink with a pizza-lightbulb idea, the other dark and stormy with question marks — perfectly visualise the internal debate. The confused scientist scratching his head adds a layer of meta-humour, while the animated red "3%" character waving at the viewer breaks the fourth wall with charming absurdity. Perfect for science enthusiasts, meme connoisseurs, and anyone who appreciates humour that requires a little brainpower to fully enjoy. The design balances educational aesthetics with internet culture, creating a piece that works equally well in a classroom, a casual hangout, or a late-night philosophy session. The typography hierarchy guides the eye through the joke with perfect comedic timing. Great as a gift for the overthinker in your life, the friend who questions everything, or anyone who believes the best studies are the ones that study themselves. This design proves that using 3% of your brain is still enough to appreciate a really good paradox.

Customer Reviews

4.9 out of 5 stars rating16.1K Total Reviews
14609 total 5-star reviews1026 total 4-star reviews215 total 3-star reviews83 total 2-star reviews143 total 1-star reviews
16,076 Reviews
Reviews for similar products
5.0 out of 5 stars rating
5 out of 5 stars rating
By Deidre T.9 March 2023Verified Purchase
Post Card, Size: Standard Postcard, Paper: Signature Matte, Envelopes: None
Zazzle Reviewer Program
Exactly what I wanted, it is very difficult to acquire Vintage Australiana items. I am so please that I ordered 8 I will be using them for my scrap booking and Junk Journaling. Gorgeous, Zazzle produced and delivered exactly what I wanted.
5.0 out of 5 stars rating
5 out of 5 stars rating
By Deidre T.9 March 2023Verified Purchase
Post Card, Size: Standard Postcard, Paper: Signature Matte, Envelopes: None
Zazzle Reviewer Program
Way better quality than I ever expected. I love the colours, font and quality of the card. I'm so pleased I found Zazzle as it is near impossible to purchase Vintage or Retro Australian memorabilia online. I chose this design when I purchased them. They are perfect for my projects. I was very specific about what I wanted. I know where to come now when I need to order similar items.
5.0 out of 5 stars rating
5 out of 5 stars rating
By Michaela A.5 December 2022Verified Purchase
Post Card, Size: Standard Postcard, Paper: Signature Matte, Envelopes: None
Zazzle Reviewer Program
Perfect for the occasion I was using it for. I was able to delete the lines so I could put in more wording. Had an envelope so the address side wasn't necessary. Print quality and paper quality lovely.

Tags

Postcards
funny sciencebrain capacity3 percent brainscientist humourstudy jokeiq humoursmart peoplebrain memepsychology funnynerd humour
All Products
funny sciencebrain capacity3 percent brainscientist humourstudy jokeiq humoursmart peoplebrain memepsychology funnynerd humour

Other Info

Product ID: 256203942642591414
Added on 26/6/26, 12:38 pm
Rating: G