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Your search for "gill" returned 233 results
What is electroreception and how do sharks use it?
animals.howstuffworks.com/fish/sharks/electroreception.htm
Sharks use electroreception to locate prey. Learn how the elasmobranch family uses electroreception and what ions have to do with electroreception.
Why are eels slippery?
animals.howstuffworks.com/marine-life/eels-slippery.htm
Eel skin is slippery for a reason. The slime layer helps it to slither through tight spaces and protects it from parasites. Learn why eels are slippery.
Is Raw Milk Better For You Than Pasteurized Milk?
recipes.howstuffworks.com/dairy/raw-vs-pasteurized-milk.htm
Raw milk is blamed for foodborne illnesses across the U.S., and is illegal to sell in several. But is it warranted? HowStuffWorks looks at raw milk.
What If You Drink Saltwater?
science.howstuffworks.com/science-vs-myth/what-if/what-if-you-drink-saltwater.htm
It's all fun and games when you're on a deserted island. But eventually you're going to get really thirsty. How bad can glugging seawater be?
Horseshoe Crabs Endangered by Biomedical Bloodletting
science.howstuffworks.com/life/biology-fields/horseshoe-crabs-endangered-biomedical-bloodletting.htm
Horseshoe crabs are a valuable commodity to the biomedical industry, which is not helping their chances of survival. HowStuffWorks takes a look.
How Fish and Chips Became England's National Dish
people.howstuffworks.com/culture-traditions/cultural-traditions/fish-and-chips.htm
HowStuffWorks travels to England to find out just how fried fish and chips got together and became so beloved in the U.K.
Meet the Real Vampires of the Animal Kingdom
animals.howstuffworks.com/mammals/blood-sucking-animals.htm
HowStuffWorks explores hematophagy - the vampires of the animal world. And yes, these fish, birds and bats do need to eat blood to sustain life.
How Will You Do on This Tough, Irritating Geography Quiz?
play.howstuffworks.com/quiz/the-hardest-most-irritating-geography-quiz-youll-take-today
Our world is full of fantastic and interesting mountains, lakes, cities, and other geographical landmarks. Grab your passport and see if you can master this tough and strange geography quiz!
1717 Angel Number Revealed: The Complete Guide to Its Spiritual Significance & Manifestation Power
science.howstuffworks.com/science-vs-myth/extrasensory-perceptions/Angel-Number-1717.htm
Repeatedly seeing 1717? This powerful angel number holds secret messages about your spiritual awakening and life path. Discover what your guardian angels are urgently trying to tell you about your future and hidden potential.
Doctor Fish Skin Treatment
health.howstuffworks.com/skin-care/problems/treating/doctor-fish.htm
Doctor fish are used to treat a number of skin ailments. Learn about how doctor fish work at HowStuffWorks.