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How Does a Hippo Make Its Own Sunscreen?
animals.howstuffworks.com/mammals/hippo-sunscreen.htm
Hippo sunscreen is actually the thick sweat that hippos produce to protect their skin from the sun. Learn why red hippo sunscreen is such powerful stuff.
What are emotions, and why do we have them?
science.howstuffworks.com/life/what-are-emotions.htm
What are emotions? What is their purpose? Read this article to learn about emotions and the reasons why we have them.
Can we live elsewhere in the universe?
science.howstuffworks.com/can-we-live-elsewhere-in-the-universe.htm
If you consider throwing down a welcome mat on the porch of the International Space Station the same as living "elsewhere," then yes. But what about the moon and destinations beyond?
Sliced, diced or whole tomatoes - which should you use when?
recipes.howstuffworks.com/sliced-diced-or-whole-tomatoes.htm
Sliced, diced or whole tomatoes - which should you use and when? Learn how to use different kinds of tomatoes and why you should.
Vaccine Hesitancy Is Nothing New But It Can Be Overcome
health.howstuffworks.com/wellness/preventive-care/vaccine-hesitancy-not-new-news.htm
Vaccine hesitancy has a long history in the world. Why is that and what can be done to change it?
Aquarius in Astrology: Understanding Its Role as an Air Sign
entertainment.howstuffworks.com/horoscopes-astrology/is-aquarius-an-air-sign.htm
Is Aquarius an air sign? Discover the unique traits, symbolism, and why Aquarius belongs to the air element in astrology. Explore its influence and personality today!
Isolation and Monotony Stress the Brain. Here's How to Cope
health.howstuffworks.com/wellness/stress-management/isolation-monotony-stress.htm
Social isolation and monotony in these days of COVID-19 may seem like passive problems, but they actually trigger the brain's stress reactions.
Why Photosynthesis is Important
science.howstuffworks.com/science-vs-myth/what-if/what-if-photosynthesis-stopped.htm
Remember learning about photosynthesis when you were a kid? Let's pretend for a moment that this vital process could somehow permanently stop. How tough would it be to continue to live on this Earth?
What Is Saliva and How Does It Change the Taste of Food?
health.howstuffworks.com/human-body/systems/digestive/saliva-change-food.htm
Saliva is not exactly the most appetizing of subjects, but it plays an important role in everything from how food tastes to how it is digested.
Why can't you tickle yourself?
science.howstuffworks.com/life/inside-the-mind/human-brain/question511.htm
Tickling yourself is a lot harder than it seems. Have you ever wondered why you cannot tickle yourself? Find out why self-tickling seems impossible.