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Why do cougars scream?
animals.howstuffworks.com/mammals/cougar-scream.htm
Cougars scream during mating season to attract the opposite sex. Learn how cougars scream and why humans don't hear these cougar screams too often.
How Long Can Viruses Live on Surfaces?
science.howstuffworks.com/life/cellular-microscopic/long-can-viruses-live-on-surfaces.htm
Viruses need hosts to replicate and reproduce. So if a virus has no host, how long can it survive? It depends on a lot of factors.
How do sharks see, smell and hear?
animals.howstuffworks.com/fish/sharks/shark-senses.htm
A shark sense isn't so different from any of our senses, a shark sense is just sharper underwater. See more about shark sense and how each works.
Why Do Our Stomachs Growl?
health.howstuffworks.com/human-body/systems/digestive/stomach-growling.htm
Everybody's stomach makes noises. Whether you call it growling, grumbling or gurgling, what is that sound and what is it trying to tell us?
Do fish ever really rain from the sky?
science.howstuffworks.com/science-vs-myth/unexplained-phenomena/fish-rain-from-sky.htm
Could fish rain from the sky? Things like this don't really happen, right? Find out.
Do You Really Need to Brush Your Dog's Teeth?
animals.howstuffworks.com/pets/brush-dogs-teeth.htm
Brushing your dog's teeth might be a bit unpleasant for both of you, but it will keep your furry friend healthier longer.
How do peregrine falcons fly so fast?
animals.howstuffworks.com/birds/peregrine-falcon-speed.htm
Peregrine falcons are one of the fastest animals on Earth. Learn how peregrine falcons get their speed and which animals should take cover.
Why Do Social Media Platforms Practice Shadowbanning?
computer.howstuffworks.com/internet/social-networking/information/shadowbanning.htm
What is shadowbanning, and how can you avoid it? HowStuffWorks looks into the murky world behind your favorite social media sites.
What Colors Make Brown? And How Do You Make Different Shades?
entertainment.howstuffworks.com/arts/artwork/what-colors-make-brown.htm
Looking for a special trick to understanding what colors make brown? HowStuffWorks breaks down color combinations to help you get the perfect shade of brown.
How Do Hand Warmers Work? A Scientific Look
science.howstuffworks.com/disposable-hand-warmers.htm
Hand warmers work through simple chemistry. A massively sped-up version of oxidation (the chemical reaction that makes rust) is to thank.