Animals
- 			 Life LifeFecal architecture is beetle armorPredators have a hard time getting through the layers of excrement some beetle moms give their young. By Susan Milius
- 			 Animals AnimalsClassic view of leaf-cutter ants overlooked nitrogen-fixing partnerA fresh look at a fungus-insect partnership that biologists have studied for more than a century uncovers a role for bacteria. By Susan Milius
- 			 Life LifeKiller bees aren’t so smartBrains are probably not what powers the invasive bee’s takeover from European honeybees By Susan Milius
- 			 Health & Medicine Health & MedicineGenome 10K: A new arkFeatured blog: Researchers are working to catalog the DNA sequences of just about every vertebrate genus. By Janet Raloff
- 			 Animals AnimalsTextbook case of color-changing spider reopenedFemale crab spiders switch colors to match flowers but may not fool their prey By Susan Milius
- 			 Animals AnimalsScent of alarm identifies male bed bugsWhen mistaken for females, the guys release an alarming pheromone. By Susan Milius
- 			 Life LifeSpiders love sweet smell of blood perfumeFor on spider species, feeding on blood-gorged mosquitoes adds charm to a mate By Susan Milius
- 			 Animals AnimalsAncient giant beavers did not chow on treesThe now-extinct animals had a hippo-like diet By Sid Perkins
- 			 Life LifeFossil find sparks debate on primate originsA 37-million-year-old jaw suggests the famous fossil Darwinius does not, as had been suggested, fill a gap in human evolution. By Bruce Bower
- 			 Animals AnimalsJunk food turns rats into addictsBacon, cheesecake and Ho Hos elicit addictive behavior in rats similar to the behavior of rats addicted to heroin. 
- 			 Health & Medicine Health & MedicinePigs use mirrorsAfter some time to play around with a mirror, pigs figure out what to do when they glimpse a reflection of food. By Susan Milius
- 			 Animals AnimalsSpider men weave silken tapestryIt took herculean effort, but Madagascar crafters created an extraordinary piece of woven art from spider silk. By Janet Raloff