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The Real Reason Turtles Have Shells (Hint, It's Not for Protection)
animals.howstuffworks.com/reptiles/real-reason-turtles-have-shells-hint-its-not-protection.htm
Why do turtles really have shells? HowStuffWorks Now looks at how turtle shells evolved, with the help of a new study.
Why Humans Scream, Make Crazy Faces When Terrified
science.howstuffworks.com/life/inside-the-mind/human-brain/why-humans-scream-when-scared.htm
Wouldn't keeping quiet help us get away from whatever's scaring us? What's the science behind the weird face and raw shout?
Hundreds of Scientists Call for Tighter Limits on Common Antibacterial Chemical
health.howstuffworks.com/wellness/triclosan-ban-harmful-antibacterial.htm
Experts are calling for stronger restrictions on the chemical triclosan. Learn more about the antimicrobial chemical in this HowStuffWorks article.
The History of Makeup Is Surprisingly Elitist
people.howstuffworks.com/culture-traditions/body-art/the-history-makeup-is-surprisingly-elitist.htm
For centuries, cosmetics were markers of social standing. Delve into the history of makeup around the world at HowStuffWorks.
The Elephant Hawk Moth Is the 'Ugly Duckling' of Moths
animals.howstuffworks.com/insects/elephant-hawk-moth.htm
The elephant hawk moth is breathtakingly beautiful as an adult, but as a baby ... not so much.
Is My Black Cat a Bombay Cat?
animals.howstuffworks.com/pets/bombay-cat.htm
The rare Bombay cat is all black, but color alone doesn't make a cat a Bombay.
Sea Slugs Go Solar by Stealing From Algae
animals.howstuffworks.com/marine-life/sea-slugs-go-solar-by-stealing-from-algae.htm
Sea slugs steal algae to use as energy from photosynthesis. HowStuffWorks shines a light on these energy thieves.
The Milk and Mucus Myth, Busted
health.howstuffworks.com/diseases-conditions/respiratory/milk-and-mucus-myth-busted.htm
Is there a link between milk and mucus production? HowStuffWorks looks at the myth.
Baby Giraffes Get Their Spots From Mom
animals.howstuffworks.com/mammals/baby-giraffes-get-spots-from-mom.htm
A study found that baby giraffes get their spot patterns from their moms. HowStuffWorks looks at the study and what it means for giraffes in the wild.
Can humans regrow limbs?
health.howstuffworks.com/medicine/modern-technology/can-humans-regrow-limbs.htm
Humans have regrown fingertips, but can we regrow whole limbs? Find out at HowStuffWorks.