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Air Pollution Kills 5.5 Million Per Year, Half in China and India Alone
science.howstuffworks.com/environmental/green-science/air-pollution-kills.htm
Millions of people die every year because of poor air quality, new international research finds. That number is expected to rise in coming years.
How Far Can a Plane Glide if Its Engines Fail?
science.howstuffworks.com/transport/flight/modern/how-far-can-plane-go-no-engines.htm
It can definitely be done - we saw Capt. Sully Sullenberger successfully land an Airbus A320 without any engines, in the Hudson River no less. But just how far a plane can fly without its engines depends on a few different factors.
Can You Identify These Mountain Animals?
play.howstuffworks.com/quiz/can-you-identify-these-mountain-animals
Mountains cover around 20% of the Earth's surface, and there's a whole lot more life way up there than a few dozen humans seeking climbing glory. Take our quiz to see how many of these mountain-dwelling critters you can name!
What Are the Biggest Lakes in the U.S.?
science.howstuffworks.com/environmental/earth/biggest-lakes-in-the-us.htm
The United States is home to some truly spectacular lakes. Whether considering the massive Great Lakes themselves or deep alpine gems like Lake Tahoe, with its crystal-clear waters, America is well-stocked with many sizable bodies of water.
Are You a Geography Guru?
play.howstuffworks.com/quiz/are-you-a-geography-guru
The world is a large and expansive place, with lots to know and discover. But just how much do you know about the lay of the land? Fancy yourself a geography guru? If so, take on our challenge to prove it.
Spider Plant
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Spider plant has grassy leaves and insignificant white flowers. Learn about the different varieties of this easy-to-care-for plant at HowStuffWorks.
Jade Plant
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Jade plant is a thick-stemmed succulent plant with fleshy leaves edged in red. It's very easy to care for and will survive even under quite adverse conditions. Read about this African native.
Baby Tears Plant
home.howstuffworks.com/baby-tears-plant.htm
Baby tears plant looks good draping out of its container but can also maintain a moundlike shape with pinching. It does well in humid climes but prefers well-circulated air. Learn why to use it in a terrarium.
Wandering Jew Plant
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Wandering Jew plant is a type of house plant. Leaves have stripes in a variety of colors. Learn about maintaining wandering Jew at HowStuffWorks.
Good News! Some Butterfly Populations Bounced Back in 2019
animals.howstuffworks.com/insects/butterflies-bouncing-back.htm
Work by volunteers and nonprofits, such as butterfly waystations and education efforts, has reversed population decline for some butterfly species.