Recently Answered Questions
- Will the world really end in 2012?
- What is the atmosphere on Mars like?
- What elite groups of firefighters battle wildfires?
- How many people don't have enough food to be healthy?
- Do you live in a food desert?
Activity Feed
-
Will the world really end in 2012?
There has been a lot of hype surrounding Dec. 21, 2012. Doomsayers and movie producers have
... Full Post02/03/2012 -
What is the atmosphere on Mars like?
The atmosphere surrounding Mars is much less dense than Earth's -- more than 99 percent less
... Full Post09/27/2011 -
Do you live in a food desert?
Many urban and rural areas are increasingly being described as food deserts: Places where low
... Full Post08/24/2011 -
How many people don't have enough food to be healthy?
Malnourishment is a serious threat to the health and wellbeing of many people across the planet.
... Full Post08/24/2011 -
What elite groups of firefighters battle wildfires?
One elite group of firefighters are the smokejumpers. Numbering a little less than 500 in the
... Full Post07/18/2011 -
How do invasive species affect ecological niches?
When nonnative species are introduced to delicate new ecosystems, local species frequently have
... Full Post06/22/2011