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Why Is Yawning Contagious?
science.howstuffworks.com/life/inside-the-mind/human-brain/contagious-yawn.htm
Contagious yawning is associated with the same parts of the brain that deal with empathy, according to a recent study. Learn about contagious yawning.
Why Are People With Trypophobia Horrified By Holes?
health.howstuffworks.com/mental-health/anxiety/trypophobia.htm
Trypophobia is the fear - or more like disgust - of closely packed holes. But is it a real phobia and how can it be treated?
Can I be allergic to perfume?
lifestyle.howstuffworks.com/style/body-scents-fragrances/allergic-to-perfume.htm
Are you allergic to perfume? See common symptoms and what ingredients to watch out for if you are allergic to perfume.
How Driverless Car Racing Works
auto.howstuffworks.com/auto-racing/motorsports/driverless-car-racing.htm
With a little more technology tinkering, driverless cars could take over the racetracks. Learn more about these automated wonders at HowStuffWorks.
Juniper: Herbal Remedies
health.howstuffworks.com/wellness/natural-medicine/herbal-remedies/juniper-herbal-remedies.htm
Juniper berries have many medicinal properties and are used in several herbal remedies. Learn how juniper can treat congestion, joint pain and more.
NASA Gets Ready to Punch an Asteroid in 2022 With DART Mission
science.howstuffworks.com/nasa-punch-asteroid-in-2022-dart-mission.htm
In 2022, NASA is planning on ramming a spacecraft into an asteroid to knock it off course. Learn more about the DART mission at HowStuffWorks.
How the Manhattan Project Worked
science.howstuffworks.com/manhattan-project.htm
The Manhattan Project was the code name used for the secret plan to develop nuclear weapons by the United States. Learn more about the Manhattan Project.
The MOAB Bomb: A Massive Force, But No Match for Nukes
science.howstuffworks.com/the-mother-all-bombs-is-big-its-no-nuke.htm
The MOAB is the largest nonnuclear bomb ever used by the U.S. So what makes it OK to drop this bomb and not a nuclear warhead? We dive in to find out.
Three Famous Hypotheses and How They Were Tested
science.howstuffworks.com/innovation/scientific-experiments/hypothesis.htm
From Isaac Newton to Ivan Pavlov, scientists have developed and tested hypotheses through carefully crafted experiments for centuries. Here are three groundbreaking hypotheses and the predictions they tested.
Dermal Fillers
health.howstuffworks.com/skin-care/beauty/skin-treatments/dermal-fillers.htm
Dermal fillers are used in skin treatments. Visit HowStuffWorks to learn all about dermal fillers.