http://science.howstuffworks.com/ HowStuffWorks - Learn everything you wanted to know about science and more! en-us Thu, 24 March 2011 10:00:00 GMT 120 60 http://science.howstuffworks.com/ http://static.howstuffworks.com/gif/rss-science-120x60.jpg HowStuffWorks Daily Science RSS Feed explores all the curiosities of our wonderful world - go behind the scenes to see how the amazing world of science really works! http://feedproxy.google.com/~r/hsw-science/~3/ZmZMqSbDQ-8/science-puzzles.htm See how fast you can put together these science-themed puzzles. <p><a href="http://feedads.g.doubleclick.net/~a/uwalfLoctmHZSeL09iqmG2o3734/0/da"><img src="http://feedads.g.doubleclick.net/~a/uwalfLoctmHZSeL09iqmG2o3734/0/di" border="0" ismap="true"></img></a><br/> <a href="http://feedads.g.doubleclick.net/~a/uwalfLoctmHZSeL09iqmG2o3734/1/da"><img src="http://feedads.g.doubleclick.net/~a/uwalfLoctmHZSeL09iqmG2o3734/1/di" border="0" ismap="true"></img></a></p><div class="feedflare"> <a href="http://feeds.feedburner.com/~ff/hsw-science?a=ZmZMqSbDQ-8:BHtj7yYhc2Q:yIl2AUoC8zA"><img src="http://feeds.feedburner.com/~ff/hsw-science?d=yIl2AUoC8zA" border="0"></img></a> <a href="http://feeds.feedburner.com/~ff/hsw-science?a=ZmZMqSbDQ-8:BHtj7yYhc2Q:qj6IDK7rITs"><img src="http://feeds.feedburner.com/~ff/hsw-science?d=qj6IDK7rITs" border="0"></img></a> <a href="http://feeds.feedburner.com/~ff/hsw-science?a=ZmZMqSbDQ-8:BHtj7yYhc2Q:F7zBnMyn0Lo"><img src="http://feeds.feedburner.com/~ff/hsw-science?i=ZmZMqSbDQ-8:BHtj7yYhc2Q:F7zBnMyn0Lo" border="0"></img></a> <a href="http://feeds.feedburner.com/~ff/hsw-science?a=ZmZMqSbDQ-8:BHtj7yYhc2Q:V_sGLiPBpWU"><img src="http://feeds.feedburner.com/~ff/hsw-science?i=ZmZMqSbDQ-8:BHtj7yYhc2Q:V_sGLiPBpWU" border="0"></img></a> <a href="http://feeds.feedburner.com/~ff/hsw-science?a=ZmZMqSbDQ-8:BHtj7yYhc2Q:gIN9vFwOqvQ"><img src="http://feeds.feedburner.com/~ff/hsw-science?i=ZmZMqSbDQ-8:BHtj7yYhc2Q:gIN9vFwOqvQ" border="0"></img></a> </div><img src="http://feeds.feedburner.com/~r/hsw-science/~4/ZmZMqSbDQ-8" height="1" width="1"/> Thu, 24 March 2011 10:00:00 GMT http://science.howstuffworks.com/science-puzzles.htm http://feedproxy.google.com/~r/hsw-science/~3/cnj1EbscwD8/5-explosion-videos.htm Explosions can be devastating. 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How did so many safety measures fail? <p><a href="http://feedads.g.doubleclick.net/~a/UEbXdB6ac_AJm7iO8cLyeEDqIRE/0/da"><img src="http://feedads.g.doubleclick.net/~a/UEbXdB6ac_AJm7iO8cLyeEDqIRE/0/di" border="0" ismap="true"></img></a><br/> <a href="http://feedads.g.doubleclick.net/~a/UEbXdB6ac_AJm7iO8cLyeEDqIRE/1/da"><img src="http://feedads.g.doubleclick.net/~a/UEbXdB6ac_AJm7iO8cLyeEDqIRE/1/di" border="0" ismap="true"></img></a></p><div class="feedflare"> <a href="http://feeds.feedburner.com/~ff/hsw-science?a=iYExIr1spl0:0LA90Qxn3-w:yIl2AUoC8zA"><img src="http://feeds.feedburner.com/~ff/hsw-science?d=yIl2AUoC8zA" border="0"></img></a> <a href="http://feeds.feedburner.com/~ff/hsw-science?a=iYExIr1spl0:0LA90Qxn3-w:qj6IDK7rITs"><img src="http://feeds.feedburner.com/~ff/hsw-science?d=qj6IDK7rITs" border="0"></img></a> <a href="http://feeds.feedburner.com/~ff/hsw-science?a=iYExIr1spl0:0LA90Qxn3-w:F7zBnMyn0Lo"><img src="http://feeds.feedburner.com/~ff/hsw-science?i=iYExIr1spl0:0LA90Qxn3-w:F7zBnMyn0Lo" border="0"></img></a> <a href="http://feeds.feedburner.com/~ff/hsw-science?a=iYExIr1spl0:0LA90Qxn3-w:V_sGLiPBpWU"><img src="http://feeds.feedburner.com/~ff/hsw-science?i=iYExIr1spl0:0LA90Qxn3-w:V_sGLiPBpWU" border="0"></img></a> <a href="http://feeds.feedburner.com/~ff/hsw-science?a=iYExIr1spl0:0LA90Qxn3-w:gIN9vFwOqvQ"><img src="http://feeds.feedburner.com/~ff/hsw-science?i=iYExIr1spl0:0LA90Qxn3-w:gIN9vFwOqvQ" border="0"></img></a> </div><img src="http://feeds.feedburner.com/~r/hsw-science/~4/iYExIr1spl0" height="1" width="1"/> Thu, 24 March 2011 10:00:00 GMT http://science.howstuffworks.com/japan-nuclear-crisis.htm http://feedproxy.google.com/~r/hsw-science/~3/1qNIn8adA_Y/what-are-chemtrails.htm If you look up in the sky on a clear day, you're likely to see cloudy trails billowing from an airplanes. Although they're officially called contrails, some people refer to them as "chemtrails" -- and have interesting explanations for their existence. <p><a href="http://feedads.g.doubleclick.net/~a/MzRZdvIChUrSEMy8L-LhBo-Tu3I/0/da"><img src="http://feedads.g.doubleclick.net/~a/MzRZdvIChUrSEMy8L-LhBo-Tu3I/0/di" border="0" ismap="true"></img></a><br/> <a href="http://feedads.g.doubleclick.net/~a/MzRZdvIChUrSEMy8L-LhBo-Tu3I/1/da"><img src="http://feedads.g.doubleclick.net/~a/MzRZdvIChUrSEMy8L-LhBo-Tu3I/1/di" border="0" ismap="true"></img></a></p><div class="feedflare"> <a href="http://feeds.feedburner.com/~ff/hsw-science?a=1qNIn8adA_Y:GrO4EdWammk:yIl2AUoC8zA"><img src="http://feeds.feedburner.com/~ff/hsw-science?d=yIl2AUoC8zA" border="0"></img></a> <a href="http://feeds.feedburner.com/~ff/hsw-science?a=1qNIn8adA_Y:GrO4EdWammk:qj6IDK7rITs"><img src="http://feeds.feedburner.com/~ff/hsw-science?d=qj6IDK7rITs" border="0"></img></a> <a href="http://feeds.feedburner.com/~ff/hsw-science?a=1qNIn8adA_Y:GrO4EdWammk:F7zBnMyn0Lo"><img src="http://feeds.feedburner.com/~ff/hsw-science?i=1qNIn8adA_Y:GrO4EdWammk:F7zBnMyn0Lo" border="0"></img></a> <a href="http://feeds.feedburner.com/~ff/hsw-science?a=1qNIn8adA_Y:GrO4EdWammk:V_sGLiPBpWU"><img src="http://feeds.feedburner.com/~ff/hsw-science?i=1qNIn8adA_Y:GrO4EdWammk:V_sGLiPBpWU" border="0"></img></a> <a href="http://feeds.feedburner.com/~ff/hsw-science?a=1qNIn8adA_Y:GrO4EdWammk:gIN9vFwOqvQ"><img src="http://feeds.feedburner.com/~ff/hsw-science?i=1qNIn8adA_Y:GrO4EdWammk:gIN9vFwOqvQ" border="0"></img></a> </div><img src="http://feeds.feedburner.com/~r/hsw-science/~4/1qNIn8adA_Y" height="1" width="1"/> Thu, 24 March 2011 10:00:00 GMT http://science.howstuffworks.com/transport/flight/modern/what-are-chemtrails.htm http://feedproxy.google.com/~r/hsw-science/~3/aKh5l3iWPEk/5-sci-fi-weapons.htm Over the years, the science-fiction genre has amassed an impressive arsenal. 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