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Has 'Light as a Feather, Stiff as a Board' Ever Worked?
If you've ever been to a slumber party, you know the drill. Place your fingers under someone's body, chant "Light as a feather ... stiff as a board ..."and they'll magically rise up into the air. Is this old trick a true ghostly phenomenon?
Has Earth reached its carrying capacity?
science.howstuffworks.com/environmental/green-science/earth-carrying-capacity.htm
Carrying capacity is the idea that sustainability requires balance. Learn about carrying capacity and human population.
Has Online Shopping Changed How Much Cardboard We Use?
Will Amazon's age of home delivery bury the environment in extra boxes? You might be surprised by the answer.
Has science explained life after death?
science.howstuffworks.com/science-vs-myth/afterlife/science-life-after-death.htm
Life after death is a concept that has left some researchers wondering what causes near-death experiences. Learn about life after death theories.
Have invasive species caused any extinctions?
science.howstuffworks.com/environmental/green-science/have-invasive-species-caused-extinctions.htm
Introducing a new species into an ecosystem can have unforeseen and disastrous consequences for the species that already live there.
Have we reached peak oil?
science.howstuffworks.com/environmental/green-science/peak-oil.htm
Oil is a nonrenewable resource. Have we found all the oil there is to find, or is there more out there somewhere? What's the best way to wean ourselves from our oil dependency?
Hawaii Proposes Ban on Certain Sunscreens to Save Coral Reefs
Scientists have found that chemicals in some sunscreens can cause coral bleaching, prompting the Hawaii state legislature to propose an exhaustive ban on them.
Hematite, a Shape-shifting Mineral From the Stone Age
science.howstuffworks.com/environmental/earth/geology/hematite.htm
You can find hematite found all over Earth, as well as Mars. The bloodstone the main source of iron and is also used in jewelry and painting.
Here's Where to Find the Cleanest Air in the World
science.howstuffworks.com/environmental/green-science/heres-where-to-find-cleanest-air-in-world.htm
Some cities, even large ones, are making big strides in improving air quality.
Here's the Buzz on Alcohol in Space
science.howstuffworks.com/alcohol-space.htm
While alcohol consumption is not completely alien to the space program, not much is known about its effects on the body outside our atmosphere.