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MinuteEarth
The Species That Broke Evolution?
The ancestors of gars, horseshoe crabs and coelacanths looked almost the same as their modern relatives. Darwin called species like these “living fossils'' because they seem like they are evolutionarily frozen in time. But Darwin was wrong.
SciShow
Blue Is Pretty Special: How Nature Gets the Blues
It's really difficult for life to create blue pigments, but the color can appear in a handful of compounds that create just the right conditions to reflect blue photons.
TED-Ed
TED-ED: Why do we harvest horseshoe crab blood? - Elizabeth Cox
During the warmer months, especially at night during the full moon, horseshoe crabs emerge from the sea to spawn. Waiting for them are teams of lab workers, who capture the horseshoe crabs by the hundreds of thousands, take them to labs,...
SciShow
6 Animals That Thrive Upside-Down
For humans, being upside-down isn’t a comfy way to hang out for very long, but for these six animals, upside-down feels just right!
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Bizarre Beasts
These “Shrimp” Crashed Burning Man
Tadpole shrimp are neither tadpoles, nor shrimp. They are a little, ancient type of crustacean that swims in water in the driest places on earth.
Curated Video
Have You Ever Wondered Why Horseshoe Crabs Have Blue Blood?
Learn why, and more amazing facts about this unique species.
Curated Video
Horseshoe Crabs Are Some of the Most Interesting Creatures! Here Are Some of Our Favorite Facts
Visit the South Carolina Aquarium and prepare to be amazed.
Curated Video
Blue Blood Crabs? Why Are These Horseshoe Crabs So Interesting?
Learn why, and more amazing facts about this unique species.
Curated Video
Take a Look at the Blue Blood Inside These Horseshoe Crabs
Learn some amazing facts about the South Carolina Aquarium's most unique residents.
Curated Video
Horseshoe Crabs Are the South Carolina Aquarium’s Most Unique Residents
Did you know all these crazy facts about horseshoe crabs?
Curated Video
Did You Know Horseshoe Crabs Have Blue Blood?
Learn why, and more amazing facts about this unique species.
Curated Video
Why is Blood Red?
What is it in our blood that makes it red, and why are other animals different? Biology - Human Body - Learning Points. Haemoglobin is the most efficient oxygen carrier and provides the red pigment in blood. Not all animals have red...
Curated Video
Factpack: Primitive Species
Meet the species which have not evolved for millions of years. Why have they stopped evolving?
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Biology - Adaptation And Evolution - L
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Curated Video
Ancient Survivors: From Dinosaurs to Modern Day
Discover how some of today's familiar creatures, like crocodiles, sharks, and even insects, have roots that stretch back to the time of dinosaurs and beyond. Learn why these animals survived the mass extinction that wiped out the...
Brave Wilderness
Do Horseshoe Crabs STING?!
On this episode of Beyond the Tide, Coyote finds a Horseshoe Crab while tide pooling in Maine! More closely related to spiders and scorpions than crabs these ocean dwelling creatures have roamed the seas since the time of the dinosaurs....
Brave Wilderness
Extremely Bizarre Creatures!
On this episode of Breaking Trail, Coyote looks back at the most bizarre creatures he and crew have ever filmed! From horseshoe crabs to slimy bloodworms this episode is certain to make you wonder if aliens really do exist!
Curated Video
Pheromones
This live-action video program is about the word pheromones. The program is designed to reinforce and support a student's comprehension and retention of the word pheromones through use of video footage, photographs, diagrams and...
Sea Studios Foundation
Shape of Life: Arthropods: Horseshoe Crab
Learn about how horseshoe crabs mate in the water but lay their eggs in sand. This video shows you how the crab allow their young develop safe from marine predators. [1:23]