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Your search for "challenge" returned 4,097 results
10 Hardest Things to Teach a Robot
science.howstuffworks.com/10-hardest-things-to-teach-robot.htm
If we're ever going to live in a world in which machines behave like people, we humans have some teaching to do. But as this writing robot attests, we're not as far away as you might think.
Unraveling the Mysteries of Palm Reading: Your Comprehensive Guide
science.howstuffworks.com/science-vs-myth/extrasensory-perceptions/palm-reading-chart.htm
Explore the mysteries of palm reading charts! Learn about life, heart, and fate lines to uncover insights into your personality, future, and destiny.
How Urban Planning Works
science.howstuffworks.com/environmental/green-science/urban-planning.htm
Urban planning works to design a city so that it can be used effectively by its people. Find out more about how urban planning works.
How 'Planet Earth' Works
entertainment.howstuffworks.com/planet-earth.htm
'Planet Earth' is one of the most comprehensive and wide-reaching documentaries the Discovery Channel has ever produced. Take a look inside 'Planet Earth.'
The Mysterious World of Voodoo Dolls: History, Myth, and Reality
science.howstuffworks.com/science-vs-myth/extrasensory-perceptions/voodoo-doll.htm
Voodoo dolls: More than just a spooky legend. Explore the rich cultural significance and spiritual practices surrounding these intriguing objects.
How do Astronauts Poop in Space?
science.howstuffworks.com/bathroom-in-space.htm
A bathroom in space requires unique engineering that is different from a bathroom on Earth. Learn about the features of a bathroom in space.
How Long Can a Person Safely Hang Upside Down?
science.howstuffworks.com/innovation/science-questions/hang-upside-down-how-long-safe-deadly.htm
Although spending time upside down can be good for overall health, doing so eventually can be fatal under the right conditions.
What Causes New Baby Smell?
lifestyle.howstuffworks.com/family/parenting/parenting-tips/recreate-new-baby-scent.htm
New baby smell is more than warm milk and dirty diapers. Find out what causes it and what purpose it serves from HowStuffWorks.
Who was James Webb?
science.howstuffworks.com/james-webb.htm
He was responsible for some of humanity's greatest achievements, and his name now graces a massive NASA project. But how did a law degree lead to being a space pioneer?
How should you deal with a depressed spouse?
health.howstuffworks.com/mental-health/depression/questions/deal-with-depressed-spouse.htm
A depressed spouse can cause concern and disrupt normal family routines. Learn how you should deal with a depressed spouse.