octopus – George Sranko

How Many Brains does an Octopus Have?

Recent Posts

2026 Cruises as a Guest Speaker

Guest Speaker on the following cruises: Viking Venus Australia & New Zealand 2026 January 25 – February 8 * Sydney to Auckland * 14 nights Viking Venus Australia & New Zealand 2026 February 8 – ... Read more

cover of book by George Sranko, "I want to hear your story"

Create a Legacy Book: Record Conversation – no writing!

I Want to Hear Your Story: The Easy AI Method to Capture and Share Your Loved One’s Life Story in a Book – No Writing Required! by George Sranko (Author) 5.0 5.0 out of 5 stars (2) Part of: ... Read more

Cruises Taken 2025

Viking Saturn Into the Midnight Sun 2025 July 28 – August 11 * Bergen to London * 14 nights Viking Saturn British Isles Explorer 2025 August 11 – August 25 * London to Bergen * ... Read more

Lichens: The Crusty Co-op Comrades of Nature

How Fungi and Algae Team Up to Conquer Earth’s Toughest Places Step onto a rock, a tree, or a forgotten rooftop—and you’re probably standing on a tiny ecosystem that’s been quietly thriving for millions of ... Read more

Fulmar Egg Collecting in the Faroe Islands: A Daring Tradition Balancing Heritage and Controversy

Clinging to the Cliffs: The Heartbeat of Faroese Tradition Imagine dangling from a rope, the North Atlantic wind howling in your ears, as seabirds wheel and shriek overhead. Below, the ocean crashes against black volcanic ... Read more

Viking World Cruise 2025

World Cruise 2025 January 5 – February 22 * Los Angeles to Bali I recently appeared as a guest lecturer on the Viking Sky January 5 – February 22, 2025. We joined the ship in ... Read more

“Having a Wild Time on the World Cruise”- Music & Lyrics

This is a custom piece of music that I prepared using TAD.AI Lyrics for “Having a Wild Time on the World Cruise” [Verse 1] Waves are dancing under the moonlight Sailing far away from the ... Read more

Intro Music – Are You Ready For a Wild Time?

Here’s the song I like to play before I begin my presentations. Many people have asked me for the lyrics, so I’ve posted them below. This is a custom piece of music that I prepared ... Read more

Accomplished photographer

I have over 100 million views of my online images and receive over 100,000 views per month. See my portfolio of photos posted on Google Maps. Here’s one of my 360 panoramas taken in an amazingly ... Read more

How Do Plants Communicate

How Do Plants Communicate? Deep beneath the forest floor and high in the canopy, plants engage in a silent but sophisticated dialogue, sharing secrets and warnings through chemical signals, electrical impulses, and underground fungal networks. ... Read more

Inspiring Young People in Our Lives

How do we inspire the Young People in Our Lives? I’ve been reflecting a lot on this as we come towards the end of our time on the Viking World Cruise. Our lives have been ... Read more

History of Life on Our Planet over 4.5 Billion Years

How Do You Represent Billions of Years of Life on Our Planet? 4.5 Billion Years of Earth History as a Football Field As a biologist one of the key concepts I like to convey ... Read more

Speaker for Viking World Cruise 2024

We just joined the Viking World Cruise in Ho Chi Minh City, Vietnam. We will be on board the Viking Sky for the cruise around Africa and disembarking in Lisbon. My lectures will introduce guests to ... Read more

How Many Brains does an Octopus Have?

Good question!! Probably a lot more than you think. Octopus waving its arm…and mini-brain! Here’s a clue: each arm has its own mini-brain! Now we’re getting into some serious math. 8 arms X 1 ... Read more

Shocking Ability of Sharks to Sense Electricity

Sharks possess an amazing sense called electroreception. The ability to sense tiny electrical currents is outside of our range of abilities and may not seem all that useful. But I think you’ll be surprised at ... Read more