Search Results | brain
Your search for "brain" returned 2,468 results
Chronic Sinus Congestion
health.howstuffworks.com/diseases-conditions/respiratory/chronic-sinus-congestion.htm
Chronic sinus congestion can involve frequent and severe flare-ups, inhibiting normal daily life. Learn about chronic sinus congestion.
Something Produced a Surprising Spike of Methane on Mars
science.howstuffworks.com/methane-spike-mars.htm
Of all the discoveries made on Mars, the detection of methane blowing in the air is probably the most compelling. HowStuffWorks investigates the Mars methane mystery.
What Is Citric Acid, and Is It Safe?
recipes.howstuffworks.com/food-science/citric-acid.htm
HowStuffWorks finds out what citric acid is, how it is made and whether or not it is safe.
Ferrets Are Mischievous, Loyal, Affectionate Pets
animals.howstuffworks.com/pets/otherpets/ferrets.htm
Ferrets are great, affectionate pets but love to explore and require a lot of attention. HowStuffWorks looks at these playful creatures.
Sea Urchins Are the Edible Pincushions of the Ocean
animals.howstuffworks.com/marine-life/sea-urchin.htm
Sea urchins look like spiny pincushions and are considered a delicacy to foodies everywhere. HowStuffWorks gets to know the sea urchin.
What Do Reindeer Do When They're Not Pulling Santa's Sleigh?
animals.howstuffworks.com/mammals/reindeer.htm
HowStuffWorks takes a look at reindeer, those super flying sleigh pullers of Christmas Eve.
Paper-mache: Puppets, Piñatas and Bowls Anyone Can Make
lifestyle.howstuffworks.com/crafts/paper-crafts/paper-mache.htm
Paper-mache has been used by ancient cultures and schoolchildren alike to create sculptures, masks and statues that are durable, light and easily created.
Cinnabar: Red, Beautiful — and Toxic
science.howstuffworks.com/environmental/earth/geology/cinnabar.htm
Cinnabar's bright-red pigment has been used in jewelry, pottery and makeup for millennia. But cinnabar is also the primary ore for mercury, making it a dangerous mineral if the particles are inhaled.
Can You Get a Perfect Score on This Optical Illusions Quiz?
play.howstuffworks.com/quiz/can-you-get-a-perfect-score-this-optical-illusions-quiz
The question is, can we trick your eyes to believe that the size of an object is different than it is? We'll be transparent -- we'll fool you with illusions, weird perspectives and horizon lines. Think you can get all of them right? Then start now.
Lifelike Robo Pets Help Seniors Combat Loneliness
health.howstuffworks.com/mental-health/dementia/robotic-pets.htm
Robotic companion animals have been proven to reduce stress, anxiety and antipsychotic drug use among older people, especially those with with dementia.