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Your search for "has" returned 19,734 results
Has TV changed people's relationship expectations?
people.howstuffworks.com/culture-traditions/tv-and-culture/tv-changed-relationship-expectations.htm
Has TV changed people's relationship expectations? Visit HowStuffWorks to learn if TV has changed people's relationship expectations.
How has NASA helped save firefighters?
science.howstuffworks.com/innovation/nasa-inventions/nasa-save-firefighters.htm
How has NASA helped save firefighters? Visit HowStuffWorks to learn how NASA has helped saved firefighters' lives.
How has time shifting changed how people watch TV?
How has time shifting changed how people watch TV? Visit HowStuffWorks to learn how time shifting has changed how people watch TV.
How has NASA helped improve our air and water?
science.howstuffworks.com/innovation/nasa-inventions/nasa-improve-air-and-water.htm
How has NASA helped improve our air and water? Visit HowStuffWorks to see how NASA has helped improve our air and water.
How Has NASA Improved Solar Energy?
science.howstuffworks.com/innovation/nasa-inventions/nasa-improve-solar-energy.htm
Solar energy is an up-and-coming field, but did you know that it owes much of its growth to NASA? Discover how NASA's research and development of solar power for space has trickled down to the Earthly realm.
Has SARS been eradicated yet?
health.howstuffworks.com/diseases-conditions/respiratory/sars-eradicated.htm
Visit HowStuffWorks to learn more about the eradication of SARS from this article.
Which country's people have the longest life expectancy and why?
health.howstuffworks.com/wellness/aging/aging-process/life-expectancy.htm
Life expectancy has increased by 30 years since 1900, but which country has the highest life expectancy? Learn about life expectancy in this article.
If a parent has cystic fibrosis, will his or her child inherit the disease?
health.howstuffworks.com/diseases-conditions/respiratory/child-inherit-cystic-fibrosis.htm
If a parent has cystic fibrosis, will his or her child inherit the disease? Visit HowStuffWorks to learn if a parent has cystic fibrosis, will his or her child inherit the disease.
How the Environment Has Changed Since the First Earth Day 51 Years Ago
It's been 51 years since the first Earth Day, and while progress has been made in some areas, humanity still has had a major impact on the planet.
10 Ways TV Has Changed American Culture
people.howstuffworks.com/culture-traditions/tv-and-culture/10-ways-tv-changed-american-culture.htm
TV has changed American culture in many ways over the last few decades. Learn about the ways TV has changed American culture at HowStuffWorks.