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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.
Hisashi Ouchi Suffered an 83-day Death By Radiation Poisoning
science.howstuffworks.com/hisashi-ouchi.htm
In 1999, Hisashi Ouchi, a Japanese nuclear fuel plant worker was exposed to critical levels of radiation. He suffered the worst radiation burns in history. He lived for 83 agonizing days afterward as his body all but disintegrated.
History of the Roswell UFO Incident
science.howstuffworks.com/space/aliens-ufos/history-roswell-incident.htm
The history of the Roswell UFO incident has a long and complicated legacy of truth and conspiracy. Learn more history of the Roswell UFO incident.
History of the Watt Steam Engine
science.howstuffworks.com/innovation/inventions/watt-steam-engine.htm
James Watt's steam engine propelled the world forward. Learn about the Watt steam engine's impact and the innovations that helped make it possible.