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Primary Colors Are Red, Yellow and Blue, Right? Not Exactly
science.howstuffworks.com/primary-colors.htm
Primary colors are the blocks from which all other colors are built. But there's a lot more to know about them than the basic red, yellow and blue we learned about in kindergarten.
Nobody Knows Why the Peacock Tarantula Is Blue
animals.howstuffworks.com/endangered-species/peacock-tarantula.htm
The Gooty sapphire tarantula, also known as the peacock tarantula (Poecilotheria metallica), has captivated arachnid enthusiasts and researchers alike. Peacock tarantulas are renowned for their vibrant blue hair, which sets them apart from other species in the genus Poecilotheria.
A New Green Solution for Dyeing Blue Denim
science.howstuffworks.com/environmental/green-tech/sustainable/denim-dyeing.htm
From the chemicals that pollute and the massive use of water, the traditional method of dyeing blue jeans is an environmental disaster. Nanoparticles made from wood pulp might be the answer to the problem.
How Impossible Colors (Like Stygian Blue) Work
science.howstuffworks.com/impossible-colors.htm
What if there are colors within the visible spectrum that our brains can't perceive? In fact, there are. They're called impossible colors. But some researchers think they've discovered a way to see the impossible.
Why do girls wear pink and boys wear blue?
people.howstuffworks.com/gender-color.htm
Gender color preferences is currently under study in order to determine why girls and boys prefer different colors. Learn about gender color studies.
Tanzanite Is Africa's Real Blue Diamond
science.howstuffworks.com/environmental/earth/geology/tanzanite.htm
Tanzanite is so rare, it is sourced from just an 8-square-mile (20-square-kilometer) area in Tanzania. It was first discovered in the late 1960s and it burst onto the jewelry scene thanks to Tiffany & Co.
From Fin Whales to Blue Whales: The Whale Species Quiz
play.howstuffworks.com/quiz/whale-species-quiz
The whale may be the most magnificent mammal in the sea, but can you tell one whale from another? Take our quiz to see how much you know about the various whale species and how these creatures differ.
20 of the Most Dangerous Sea Creatures in the Deep Blue
animals.howstuffworks.com/marine-life/most-dangerous-sea-creatures.htm
The most dangerous sea creatures in the world don't always have large teeth like great white sharks or weigh over 10 tons (9 metric tonnes) like the killer whale. The sea creatures that are a threat to humans are often the smaller, more innocent-looking ones that carry lethal amounts of venom.
Why Jane Elliott's Blue Eyes/Brown Eyes Racism Exercise Is So Powerful
people.howstuffworks.com/jane-elliott.htm
Jane Elliott has been exposing racist thinking for more than 50 years using eye color. Some think her methodology is too harsh. She couldn't care less.
STUG: When Grief Hits Like a Bolt Out of the Blue
health.howstuffworks.com/mental-health/coping/stug.htm
A sudden (or subsequent) temporary upsurge of grief, or STUG, can knock you off your feet and leave you in a puddle, but being aware of it can lessen its power.