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What is the biggest single-celled organism? - Murry Gans View full lesson: http://ed.ted.com/lessons/what-is-the-biggest-single-celled-organism-murry-gansThe elephant is a creature of epic proportions ? and yet, it...
Sex Determination: More Complicated Than You Thought
The evolution of animal genitalia - Menno Schilthuizen
How parasites change their host's behavior - Jaap de Roode
Award-Winning Footage Of The Microsopic World Around Us
Inside the ant colony - Deborah M. Gordon
Attack of the killer algae - Eric Noel Muñoz
How North America got its shape - Peter J. Haproff
What's hidden among the tallest trees on Earth? - Wendell Oshiro
How do schools of fish swim in harmony? - Nathan S. Jacobs
Xenophyophores: The Strange Life of a Giant Single Cell
Why don't perpetual motion machines ever work? - Netta Schramm
The amazing ways plants defend themselves - Valentin Hammoudi
What would happen if every human suddenly disappeared? - Dan Kwartler
Where does gold come from? - David Lunney
Where do genes come from? - Carl Zimmer
How we think complex cells evolved - Adam Jacobson
The Secret Life of Plankton
Amazing Electron Microscope Images Part 2
Why isn't the world covered in poop? - Eleanor Slade and Paul Manning
How a single-celled organism almost wiped out life on Earth - Anusuya Willis
Are spotty fruits and vegetables safe to eat? - Elizabeth Brauer
What happens when continents collide? - Juan D. Carrillo
How smart are dolphins? - Lori Marino
How to spot a misleading graph - Lea Gaslowitz
Nature's smallest factory: The Calvin cycle - Cathy Symington
How does caffeine keep us awake? - Hanan Qasim
What's below the tip of the iceberg? - Camille Seaman
Feedback loops: How nature gets its rhythms - Anje-Margriet Neutel
When will the next mass extinction occur? - Borths, D'Emic, and Pritchard
Reasons for the seasons - Rebecca Kaplan
Do animals have language? - Michele Bishop
How does a jellyfish sting? - Neosha S Kashef
The weird and wonderful metamorphosis of the butterfly - Franziska Bauer
Why can't you divide by zero? - TED-Ed