| 1. | A more progressive tax system makes people happier, 54-nation study finds | 9 Sep 11, 16:31 | 168 | 107 |
| 2. | Students struggling with math may have a neurocognitive disorder called dyscalculia | 28 May 11, 06:18 | 115 | 80 |
| 3. | Does Guinness beer taste better in Ireland? | 7 Mar 11, 08:20 | 209 | 79 |
| 4. | Multiple ocean stresses threaten 'globally significant' marine extinction, experts warn | 22 Jun 11, 13:18 | 212 | 63 |
| 5. | How Severe Can Climate Change Become? | 26 Feb 11, 00:11 | 121 | 53 |
| 6. | Animals have personalities, too, bird study suggests | 28 Apr 11, 16:21 | 233 | 43 |
| 7. | 'Bad' cholesterol not as bad as people think, study shows | 6 May 11, 13:42 | 111 | 42 |
| 8. | New mineral discovered: One of earliest minerals formed in solar system | 7 May 11, 22:47 | 335 | 42 |
| 9. | Arctic on the verge of record ozone loss | 15 Mar 11, 14:19 | 298 | 34 |
| 10. | Lifelong gap in health between rich and poor set by age 20, Canadian study finds | 9 Jun 11, 00:30 | 154 | 30 |
| 11. | Tree rings tell a 1,100-year history of El Ni\u00f1o | 9 May 11, 10:17 | 242 | 27 |
| 12. | Everyone's a little bit racist, but it may not be your fault, study suggests | 30 Sep 11, 16:22 | 166 | 27 |
| 13. | Planet-sized object as cool as Earth revealed in record-breaking photo | 20 Oct 11, 13:31 | 262 | 27 |
| 14. | Alcohol Helps the Brain Remember | 12 Apr 11, 23:47 | 173 | 26 |
| 15. | Study: 'Eco Friendly' LED products Contain Multiple Cancer-Causing, Toxic Substances | 13 Feb 11, 13:00 | 148 | 25 |
| 16. | How You Think About Death May Affect How You Act | 20 May 11, 03:08 | 151 | 25 |
| 17. | Happiness improves health and lengthens life, review finds | 2 Mar 11, 18:07 | 177 | 19 |
| 18. | Looks do matter in job interviews, according to new study | 10 Nov 11, 01:21 | 156 | 19 |
| 19. | Astrophysicist: White dwarfs could be fertile ground for other Earths | 31 Mar 11, 09:57 | 290 | 18 |
| 20. | Sex is not about promoting genetic variation | 8 Jul 11, 16:45 | 177 | 18 |
| 21. | Evolution of human 'super-brain' tied to development of bipedalism, tool-making | 20 Apr 11, 23:15 | 150 | 17 |
| 22. | Monkeys, too, can recollect what they've seen, study suggests | 1 May 11, 00:38 | 198 | 17 |
| 23. | Deep oceans can mask global warming for decade-long periods | 20 Sep 11, 19:01 | 140 | 17 |
| 24. | Controlling a Computer With Thoughts? | 18 Feb 11, 18:21 | 136 | 16 |
| 25. | Can you predict your mate will cheat by their voice? | 5 Mar 11, 13:11 | 162 | 16 |
| 26. | Significant role played by oceans in ancient global cooling | 29 May 11, 22:00 | 168 | 16 |
| 27. | Loudest animal is recorded for the first time | 3 Jul 11, 05:59 | 125 | 16 |
| 28. | Pulsar Transformed Into Small Planet Made of Diamond Discovered in Milky Way | 26 Aug 11, 05:45 | 178 | 16 |
| 29. | Designing a City For Safe Protests | 25 Feb 11, 16:31 | 146 | 15 |
| 30. | Mean Girls and Queen Bees: Females Threatened by Social Exclusion Will Reject Others First | 6 Mar 11, 12:10 | 184 | 14 |
| 31. | Ancient Human Trash Heaps Gave Rise to Everglades Tree Islands | 22 Mar 11, 16:06 | 263 | 14 |
| 32. | 'Dead' galaxies aren't so dead after all | 1 Jun 11, 12:08 | 217 | 14 |
| 33. | New fossils demonstrate that powerful eyes evolved in a twinkling | 3 Jul 11, 08:50 | 122 | 14 |
| 34. | Subtly shaded map of moon reveals titanium treasure troves | 17 Oct 11, 14:51 | 153 | 14 |
| 35. | Dwarfism gene linked to protection from cancer and diabetes | 17 Feb 11, 11:51 | 189 | 13 |
| 36. | New high-resolution method for imaging below the skin using a liquid lens | 21 Feb 11, 03:11 | 194 | 13 |
| 37. | Jurassic spider from China is largest fossil specimen discovered | 24 Apr 11, 06:04 | 236 | 13 |
| 38. | New theory on origin of birds: Enlarged skeletal muscles | 3 Jul 11, 21:29 | 159 | 13 |
| 39. | Enhance Romance by Going Out With Other Couples | 14 Feb 11, 14:00 | 162 | 12 |
| 40. | Genes Associated With Binge Drinking Identified | 1 Mar 11, 07:31 | 163 | 12 |
| 41. | Scientists turn memories off and on with flip of switch | 18 Jun 11, 23:31 | 157 | 12 |
| 42. | Laughter has positive impact on vascular function | 29 Aug 11, 08:41 | 212 | 12 |
| 43. | Easily 'Re-programmable cells' could be key in creation of new life forms | 8 Nov 11, 14:14 | 168 | 12 |
| 44. | Sleep switch found in fruit flies | 24 Jun 11, 15:31 | 174 | 11 |
| 45. | Transgenic fungi may be able to combat malaria | 27 Feb 11, 20:33 | 141 | 10 |
| 46. | Binge drinkers have a decreased ability to learn new verbal information | 17 May 11, 12:05 | 162 | 10 |
| 47. | Scientists analyzing data from NASA's Cassini spacecraft now have the first-ever, up-close d... | 7 Jul 11, 14:55 | 156 | 10 |
| 48. | Vitamin C Dissolves Toxic Protein Aggregates in Alzheimer's Disease | 20 Aug 11, 10:41 | 175 | 10 |
| 49. | School-Based Mental Health Screening for Teens Results in Connection to Care | 30 Aug 11, 16:42 | 128 | 10 |
| 50. | Why do Neurons Die in Parkinson's Disease? | 13 Nov 11, 09:15 | 130 | 10 |
| 51. | Economic importance of bats in the 'billions a year' range | 1 Apr 11, 12:40 | 168 | 9 |
| 52. | Engineers fly world's first 'printed' aircraft | 2 Aug 11, 18:46 | 133 | 9 |
| 53. | Fossilized pregnant plesiosaur: 78-million-year-old fossil provides first evidence of live birth | 13 Aug 11, 00:34 | 129 | 9 |
| 54. | Alcohol in Moderation Can Reduce Asthma Risk, a Study Suggests | 30 Sep 11, 18:02 | 152 | 9 |
| 55. | Climate Shift Could Leave Some Marine Species Homeless | 6 Nov 11, 00:28 | 156 | 9 |
| 56. | Iceland volcano drilling suggests magma could become source of high-grade energy | 17 Feb 11, 14:31 | 157 | 8 |
| 57. | New stretchable solar cells will power artificial electronic 'super skin' | 24 Feb 11, 14:40 | 228 | 8 |
| 58. | Battle Scars Found on an Ancient Sea Monster | 4 May 11, 20:54 | 152 | 8 |
| 59. | DNA can discern between two quantum states, research shows | 5 Jun 11, 21:34 | 208 | 8 |
| 60. | Researchers alarmed at rise in hookah use among California youth | 20 Aug 11, 18:08 | 128 | 8 |
| 61. | New Treatments For Baldness? Scientists Find Stem Cells That Tell Hair it's Time to Grow | 5 Sep 11, 10:20 | 158 | 8 |
| 62. | Facial Expressions Develop Before Birth | 15 Sep 11, 16:21 | 134 | 8 |
| 63. | Fossils Tell Story of Oxygen in Ancient Ocean | 20 Feb 11, 15:01 | 162 | 7 |
| 64. | It's not easy flying green: Large variability in greenhouse gas emissions from alternative f... | 12 May 11, 16:31 | 112 | 7 |
| 65. | Wiedemann-Franz Law: Physicists break 150-year-old empirical laws of physics | 20 Jul 11, 22:07 | 148 | 7 |
| 66. | Minority rules: Scientists discover tipping point for the spread of ideas | 27 Jul 11, 03:12 | 129 | 7 |
| 67. | Cancer-Causing Mineral Found In Road Gravel: Erionite May Increase Risk of Mesothelioma | 27 Jul 11, 10:20 | 137 | 7 |
| 68. | Engineered Bacteria Mop Up Mercury Spills | 18 Aug 11, 00:44 | 153 | 7 |
| 69. | New job trends reproducing old forms of gender inequality | 22 Aug 11, 13:58 | 143 | 7 |
| 70. | Studies question effectiveness of sex offender laws | 1 Sep 11, 01:45 | 142 | 7 |
| 71. | Americans move dramatically toward acceptance of homosexuality: Young people lead the changes | 2 Oct 11, 10:37 | 137 | 7 |
| 72. | Home Washing Machines: Source of Potentially Harmful Ocean 'Microplastic' Pollution | 21 Oct 11, 15:43 | 120 | 7 |
| 73. | Ionized Plasmas as Cheap Sterilizers For Developing World | 16 Nov 11, 16:28 | 142 | 7 |
| 74. | Brain nerve stimulation could speed up learning, study suggests | 14 Apr 11, 14:45 | 188 | 6 |
| 75. | Galaxy NGC 4214: A star formation laboratory | 14 May 11, 23:27 | 144 | 6 |
| 76. | Brain region necessary for making decisions about economic value identified | 19 May 11, 06:42 | 129 | 6 |
| 77. | Study: Color red increases the speed and strength of reactions | 4 Jun 11, 22:04 | 102 | 6 |
| 78. | Sexting and infidelity in cyberspace: Humans are still social creatures who need face-to-face con... | 21 Jun 11, 12:11 | 192 | 6 |
| 79. | Universe's most distant quasar found, powered by massive black hole | 30 Jun 11, 08:26 | 130 | 6 |
| 80. | Plastic found in nine percent of 'garbage patch' fishes: Tens of thousands of tons of d... | 1 Jul 11, 23:16 | 118 | 6 |
| 81. | New score can tell doctors how long cancer patients have left to live | 26 Aug 11, 12:34 | 164 | 6 |
| 82. | Insects are scared to death of fish | 28 Oct 11, 18:23 | 149 | 6 |
| 83. | Biologists slow the aging process in fruit flies: Study has implications for humans | 12 Nov 11, 13:11 | 122 | 6 |
| 84. | Key to aging? Key molecular switch for telomere extension by telomerase identified | 24 Nov 11, 09:06 | 161 | 6 |
| 85. | Satellite Data Can Help Protect Bluefin Tuna | 27 Nov 11, 02:02 | 124 | 6 |
| 86. | The world\u2019s oldest water? | 22 Feb 11, 21:11 | 162 | 5 |
| 87. | Plankton key to origin of Earth's first breathable atmosphere | 23 Feb 11, 00:21 | 183 | 5 |
| 88. | \u2018Round-The-Clock\u2019 Lifestyle Could Disrupt Metabolism, Brain and Behavior | 28 Feb 11, 11:21 | 177 | 5 |
| 89. | Smartphones: Overcoming loss of connectivity | 1 Mar 11, 23:21 | 134 | 5 |
| 90. | World's Most Powerful Optical Microscope Could 'Solve The Cause of Viruses' | 2 Mar 11, 17:32 | 167 | 5 |
| 91. | Scientists have new measure for species threat | 11 Apr 11, 10:11 | 136 | 5 |
| 92. | Mars Express sees deep fractures on Mars | 7 May 11, 18:32 | 114 | 5 |
| 93. | How ants tame the wilderness: Rainforest species use chemicals to identify which plants to prune | 22 May 11, 22:25 | 141 | 5 |
| 94. | Farthest and Largest Water Mass in Universe Discovered | 23 Jul 11, 02:10 | 131 | 5 |
| 95. | Can Feeling Too Good Be Bad? Positive Emotion in Bipolar Disorder | 23 Jul 11, 18:28 | 105 | 5 |
| 96. | New Evidence of Age-Related Decline in the Brain's Master Circadian Clock | 27 Jul 11, 04:31 | 157 | 5 |
| 97. | Little Crayfish Is Big Glutton in Arctic Waters | 27 Jul 11, 12:45 | 98 | 5 |
| 98. | Chandra X-ray Observatory images gas flowing toward black hole | 1 Aug 11, 00:07 | 135 | 5 |
| 99. | Possible Biological Control Discovered for Pathogen Devastating Amphibians | 27 Aug 11, 07:23 | 111 | 5 |
| 100. | Mother-Son Ties Change Over Time, Influence Teen Boys' Behavior | 1 Sep 11, 22:43 | 108 | 5 |
| 101. | Biologists discover genes that repair nerves after injury | 22 Sep 11, 00:21 | 204 | 5 |
| 102. | Researchers discover how 'promiscuous parasites' hijack host immune cells | 23 Sep 11, 03:35 | 151 | 5 |
| 103. | New spin on ibuprofen's actions | 26 Sep 11, 17:27 | 180 | 5 |
| 104. | Young children show improved verbal IQ after 20 days of exposure to music-based, cognitive train... | 5 Oct 11, 21:11 | 203 | 5 |
| 105. | Faulty molecular switch can cause infertility or miscarriage | 17 Oct 11, 12:46 | 158 | 5 |
| 106. | Record massive black holes discovered lurking in monster galaxies | 6 Dec 11, 17:18 | 150 | 5 |
| 107. | Strawberries May Slow Precancerous Growth in the Esophagus | 7 Apr 11, 15:24 | 125 | 4 |
| 108. | Research breakthrough on male infertility: Small set of genes in cells' mitochondria are key | 16 May 11, 03:40 | 173 | 4 |
| 109. | Octopuses make some pretty good moves | 23 May 11, 12:35 | 163 | 4 |
| 110. | Microscopic worms could help open travel into deep space | 3 Jun 11, 01:58 | 146 | 4 |
| 111. | Clocking Neptune's spin by tracking atmospheric features | 2 Jul 11, 19:18 | 122 | 4 |
| 112. | Stardust in our backyard provides new clues to galaxy evolution | 8 Jul 11, 21:47 | 108 | 4 |
| 113. | Why Diets Don't Work? Starved Brain Cells Eat Themselves | 3 Aug 11, 10:01 | 199 | 4 |
| 114. | Patients\u2019 Health Motivates Workers to Wash Their Hands | 1 Sep 11, 20:08 | 123 | 4 |
| 115. | Guidelines for Treating Pneumonia in Children | 2 Sep 11, 09:14 | 114 | 4 |
| 116. | Engineers build smart petri dish: Device can be used for medical diagnostics, imaging cell growth... | 4 Oct 11, 18:43 | 135 | 4 |
| 117. | Evidence of ancient lake in California's Eel River emerges | 15 Nov 11, 23:28 | 115 | 4 |
| 118. | Biologists use GPS to 'map' bat teeth to explore evolutionary adaptations to diet | 20 Feb 11, 10:51 | 166 | 3 |
| 119. | NASA's Fermi spots 'superflares' in the Crab Nebula | 12 May 11, 12:12 | 175 | 3 |
| 120. | Be it numbers or words, the structure of our language remains the same | 8 Jun 11, 10:58 | 143 | 3 |
| 121. | Nanotechnology circuits for wireless devices: First wafer-scale graphene integrated circuit small... | 12 Jun 11, 07:08 | 163 | 3 |
| 122. | Scientists prove existence of 'magnetic ropes' that cause solar storms | 16 Jun 11, 01:44 | 152 | 3 |
| 123. | Bacteria use Batman-like grappling hooks to 'slingshot' on surfaces | 20 Jul 11, 11:14 | 141 | 3 |
| 124. | The last great wilderness: Human impact on the deep sea | 4 Aug 11, 02:52 | 175 | 3 |
| 125. | Newly developed molecule tested as a delivery vehicle to image and kill brain tumor | 5 Aug 11, 23:40 | 126 | 3 |
| 126. | NASA's asteroid photographer beams back science data | 14 Aug 11, 03:48 | 125 | 3 |
| 127. | Woolly Rhino Fossil Discovery in Tibet Provides Important Clues to Evolution of Ice Age Giants | 3 Sep 11, 17:08 | 114 | 3 |
| 128. | Hide-and-seek: Altered HIV can't evade immune system | 29 Sep 11, 18:52 | 149 | 3 |
| 129. | Suffering of the Poor May Have Helped Societies w/Class Structures Spread Across Globe | 2 Oct 11, 13:43 | 146 | 3 |
| 130. | Natural Processes Can Limit Spread of Arsenic in Water | 15 Oct 11, 20:01 | 136 | 3 |
| 131. | Stop signal discovered for skin cancer | 17 Nov 11, 18:03 | 138 | 3 |
| 132. | Converting Waste Heat Into Electricity | 18 Nov 11, 18:07 | 142 | 3 |
| 133. | Origins of Antarctica's ice-covered mountains unraveled | 21 Nov 11, 19:53 | 139 | 3 |
| 134. | Fossil Fish Jaws Give Information On Our Own Remote Ancestors | 18 Apr 11, 18:24 | 143 | 2 |
| 135. | Gravitational tug of war warps spiral shape of galaxy | 24 Apr 11, 19:48 | 156 | 2 |
| 136. | New Evidence Details Spread of Amphibian-Killing Disease From Mexico Through Central America | 3 May 11, 15:18 | 166 | 2 |
| 137. | Researchers can predict future actions from human brain activity | 30 Jun 11, 22:06 | 124 | 2 |
| 138. | Tree frogs' self-cleaning feet could solve a sticky problem | 5 Jul 11, 16:38 | 120 | 2 |
| 139. | Ancient algae: Genetically engineering a path to new energy sources? | 14 Jul 11, 00:08 | 109 | 2 |
| 140. | NASA's Dawn spacecraft enters orbit around asteroid Vesta | 19 Jul 11, 02:09 | 167 | 2 |
| 141. | Elliptical galaxies are not dead | 1 Aug 11, 16:31 | 150 | 2 |
| 142. | First long-term study of WTC workers shows widespread health problems 10 years after 9/11 | 9 Sep 11, 12:20 | 132 | 2 |
| 143. | Can clouds help mitigate global warming? Missing links found in biology of cloud formation over o... | 13 May 11, 00:21 | 66 | 1 |
| 144. | Researchers Map, Measure Brain's Neural Connections | 4 Jun 11, 20:35 | 152 | 1 |
| 145. | Fear Boosts Activation of Immature Brain Cells | 15 Jun 11, 19:13 | 144 | 1 |
| 146. | Nanoscale secret to stronger alloys: Scientists find nanoparticle size is readily controlled to m... | 8 Aug 11, 20:44 | 124 | 1 |
| 147. | Engineers discover nanoscale balancing act that mirrors forces at work in living systems | 25 Aug 11, 21:57 | 190 | 1 |
| 148. | Study points to way of improving chemotherapy response | 4 Sep 11, 02:27 | 202 | 1 |
| 149. | Emotional Balance Is Regulated by Molecular Factors Behind Stress Response, Study Finds | 7 Sep 11, 21:37 | 149 | 1 |
| 150. | Roads Pave the Way for the Spread of Superbugs | 1 Oct 11, 21:20 | 153 | 1 |
| 151. | Successful Strategy Developed to Regenerate Blood Vessels | 18 Apr 11, 21:52 | 165 | 0 |
| 152. | Monkey see, monkey do? The role of mirror neurons in human behavior | 2 Aug 11, 12:34 | 115 | 0 |
| 153. | Learning to live with fire | 4 Aug 11, 20:24 | 105 | 0 |
| 154. | Think fast: The neural circuitry of reaction time | 11 Aug 11, 19:50 | 92 | 0 |
| 155. | Why Cancer Cells Change Their Appearance? | 3 Sep 11, 14:22 | 130 | 0 |
| 156. | Video games used in new treatment that may fix 'lazy eye' in older children | 26 Oct 11, 09:12 | 98 | 0 |
| 157. | Study Identifies An Expanded Role For PKM2 in Helping Cancer Cells Survive | 5 Nov 11, 21:01 | 119 | 0 |
| 158. | Galaxies are the ultimate recyclers, NASA's Hubble confirms | 18 Nov 11, 20:37 | 103 | 0 |
