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Is it possible to make yourself allergic to something?
Many allergies develop later in life. Learn whether it is possible to make yourself allergic to something at HowStuffWorks.
Yes, Male Seahorses Do Give Birth! Here's How
animals.howstuffworks.com/fish/male-seahorses-give-birth.htm
Unlike most species on Earth, the male seahorse, rather than the female, does the gestating and delivery. And he does it in his own unique way, a new study found.
Locust vs. Grasshopper Traits and Behaviors
animals.howstuffworks.com/insects/locust-vs-grasshopper.htm
How do you identify a locust vs. grasshopper? They both belong to the grasshopper family (Acrididae), have powerful hind legs for jumping and share many physical traits. Despite their similarities, these two insects exhibit key behavioral and physiological differences that set them apart — especially when it comes to their ability to form massive, crop-devastating swarms.
Why Is My Cat Crying? How Do I Help?
animals.howstuffworks.com/pets/why-is-my-cat-crying.htm
Hearing your cat cry or meow excessively can be both confusing and concerning. So, why is my cat crying? The reasons range from simple attention seeking to serious medical conditions, and figuring out the cause is key to helping your feline friend.
Freshwater Jellyfish Are Too Tiny to Sting Humans
animals.howstuffworks.com/marine-life/freshwater-jellyfish.htm
Freshwater jellyfish may sound like an oxymoron—because jellyfish live in the ocean, right? Not all of them. Craspedacusta sowerbii, also called the peach blossom jellyfish, thrives in rivers, lakes and even gravel pits.
Axolotl Colors: The Natural, the Lab-made, and the Fictional
animals.howstuffworks.com/amphibians/axolotl-colors.htm
Axolotl colors can be a little misleading; what you see online is wildly different from what exists in, well, the wild.
Why Did the Berlin Wall Fall?
history.howstuffworks.com/european-history/why-did-the-berlin-wall-fall.htm
The fall of the Berlin Wall was one of the most powerful and symbolic moments of the 20th century. But why did the Berlin Wall fall?
How Fear Works
science.howstuffworks.com/life/inside-the-mind/emotions/fear.htm
Fear is the brain's reaction to a stimulus where chemicals are released that raise the heart rate. Learn about fear and the different fear responses.
Autism Basics
health.howstuffworks.com/mental-health/autism/autism.htm
Autism is a condition that interferes with a child's ability to communicate and interact socially. Learn about treatments and the probable causes of autism.
How the Body Uses Cholesterol
Cholesterol is vital because of the role it plays in body chemistry. Learn what it produces in the body, including estrogen, testosterone and bile.