MNN week in review montage

Our picks for the week of Jan. 23-29: 

• Readers were intrigued by this gallery of 11 transparent creatures. We think you will be, too.

• Reader response went all over the spectrum with this next story, which raises an interesting theory: Was Genghis Khan history's greenest conqueror?
• Snow records for January have been shattered along the East Coast this year. Seems like the perfect time for this story about solar-powered roads that can make the snow disappear.

snapshot from tiger infographic• The chilly weather makes us dream of warming destinations. Check out Aruba, which lies off the coast of Venezuela. 

• As one Year of the Tiger comes to an end, experts are racing to stop the big cats from going extinct. Check out our infographic on the troubled tiger (pictured left).

• Ever been urban foraging? This urban foraging recipe collection will introduce you to the hobby and get lunch on the table, too.

• While were on the subject of eating right, here are five easy ways to reduce your cancer risk.

• Our food blogger created this must-have: Your ultimate guide to coupons for natural and organic products.

• Ready for tax season? Here are five tax apps for your iPhone or iPad.

Northern lights• And finally, cool green houses aren't just for the rich. Here are seven affordable green starter homes.

Plus: Don't miss the week in photos, including this image (right) of aurora borealis in northern Canada.

MNN week in review: Transparent creatures and Genghis Khan
Catch up on the environmental headlines from the Mother Nature Network for the week of Jan. 23-29.