Most Interesting Science News Articles of the Week	From a melted road at Yellowstone to growling seahorses a medieval case of downs syndrome to Nikola Tesla's birthday here are some of the coolest stories in Science this week.	It's melting!	Not the polar ice caps but a road. A much-travelled route at Yellowstone National Park has been closed because geothermal heat from a nearby volcano sent boiling oil burning through it.    	[Full Story: Road Melts from Yellowstone Volcano's Heat]	Cows really let loose: 	In a shocking new study findings show livestock  cattle and pigs  supply a larger percentage of methane to our atmosphere than previously thought. According to data from 2004 livestock contributed more to the greenhouse effect than oil and gas operations.	[Full Story: Natural Gas? Cows Toot Out Most Methane]	Magnetic field is weakening:	Data from Swarm an ESA satellite array indicates Earth's magnetic field is weakening. Researchers believe these are the beginning signs of the flipping of the magnetic poles yet it is weakening faster than expected.	[Full Story: Earth's Magnetic Field Is Weakening 10 Times Faster Now]	Why seahorses growl:	Warning growls are for more than the likes of dogs and bears. The tiny seahorse growls in response to stress as well.	[Full Story: Whoa! Seahorses Don't Neigh  They Growl]	Celebrating Tesla's birthday:	The eccentric Nikola Tesla would have been 158-years-old this week. How better to celebrate than to debate Tesla versus Edison?	[Full Story: Nikola Tesla vs. Thomas Edison: Who Was the Better Inventor?]	A strawberry cervix?!	While invoking not-so-delightful images food references in medical vernacular are useful aids in helping doctors identify many different ailments.  	[Full Story: Strawberry Cervix? Doc Reviews Food Words Used in Medicine]	Hypersexuality in women linked to this:	A condition often understudied in the female population hypersexuality in women is being linked with more aggressive sexual behaviors. Contrary to widely held belief women with the disorder are less likely to engage in passive forms of sexuality like fantasies.  	[Full Story: Hypersexuality in Women Linked to High Porn Use]	We feel most attractive at this age:	Overall men are more confident about their looks than women but 66 percent of men and women over age 65 always feel good about their appeareance. While it is unclear why this change happens in the golden years but shifting social expectations may play a part.	[Full Story: Americans Feel Most Attractive at This Age]	Medieval case of down syndrome:	The skeleton of a child uncovered in 1989 in northeastern France is believed to be the oldest known case of Down syndrome. Researchers not only studied the remains but also the burial practices used for the body to understand how the child was treated by the community.	[Full Story: Earliest Case of Down Syndrome Discovered in Medieval Cemetery]	Remains of lost temple found:	A 2500-year-old temple unearthed in northern Iraq may be a long-lost temple to the god Haldi. Ancient lore holds that after the temple was raided the king was distraught and committed suicide.	[Full Story: Hypersexuality in Women Linked to High Porn Use]