Top Hackernews posts from www.scientificamerican.com

1. Flu has disappeared worldwide during the Covid pandemic (www.scientificamerican.com)
   726 points by Brajeshwar over 5 years | 765 comments
2. Let Teenagers Sleep (www.scientificamerican.com)
   589 points by Bender over 3 years | 474 comments
3. Voyager spacecraft begin to power down (www.scientificamerican.com)
   432 points by Element_ about 4 years | 216 comments
4. Brains are not required to think or solve problems – simple cells can do it (www.scientificamerican.com)
   426 points by anjel over 2 years | 396 comments
5. The t-test was invented at the Guinness brewery (www.scientificamerican.com)
   418 points by rmason over 2 years | 134 comments
6. Feathers are one of evolution's cleverest inventions (www.scientificamerican.com)
   410 points by sohkamyung over 2 years | 256 comments
7. Pesticides are killing the world's soils (www.scientificamerican.com)
   390 points by pmastela over 5 years | 219 comments
8. The Antikythera mechanism reveals new secrets (www.scientificamerican.com)
   344 points by ppod over 4 years | 200 comments
9. Terence Tao on proof checkers and AI programs (www.scientificamerican.com)
   331 points by antineutrino over 2 years | 175 comments
10. Parents’ trauma leaves biological traces in children (www.scientificamerican.com)
    319 points by CharlesW about 4 years | 209 comments
11. Two pharmacists figured out that oral phenylephrine doesn't work (www.scientificamerican.com)
    297 points by sohkamyung over 2 years | 326 comments
12. Working remotely can more than halve an office employee’s carbon footprint (www.scientificamerican.com)
    293 points by rustoo almost 3 years | 254 comments
13. Some people with insomnia think they're awake when they're asleep (www.scientificamerican.com)
    291 points by sabrina_ramonov over 2 years | 181 comments
14. Forever chemicals are widespread in U.S. drinking water (www.scientificamerican.com)
    290 points by ystad over 5 years | 258 comments
15. September was the most anomalously hot month ever (www.scientificamerican.com)
    258 points by esarbe almost 3 years | 406 comments
16. Certain dogs are capable of learning the names for more than 100 different toys (www.scientificamerican.com)
    257 points by Capstanlqc over 2 years | 212 comments
17. Some people who appear to be in a coma may be conscious (www.scientificamerican.com)
    245 points by TeacherTortoise almost 4 years | 196 comments
18. Mitochondria may contribute to neurological and psychiatric disorders: research (www.scientificamerican.com)
    239 points by Bender about 5 years | 112 comments
19. The little-known story behind the 2022 Nobel Prize in physics (www.scientificamerican.com)
    238 points by wglb over 3 years | 99 comments
20. AI models that predict disease are not as accurate as reports might suggest (www.scientificamerican.com)
    231 points by arkj almost 4 years | 155 comments
21. Space junk removal is not going smoothly (www.scientificamerican.com)
    218 points by awb over 5 years | 222 comments
22. Doctors complete first successful face and whole-eye transplant (www.scientificamerican.com)
    217 points by Bender almost 3 years | 71 comments
23. A number system invented by Inuit schoolchildren (www.scientificamerican.com)
    210 points by nathandaly over 3 years | 142 comments
24. Nuclear power looks to regain its footing 10 years after Fukushima (www.scientificamerican.com)
    208 points by pseudolus over 5 years | 509 comments
25. Bad science and bad statistics in the courtroom convict innocent people (www.scientificamerican.com)
    202 points by rossant almost 3 years | 194 comments
26. Twitter Bots Are a Major Source of Climate Disinformation (www.scientificamerican.com)
    199 points by alexfromapex over 5 years | 112 comments
27. Writing down unfiltered thoughts enhances self-knowledge (www.scientificamerican.com)
    193 points by elorant almost 3 years | 79 comments
28. Why Writing by Hand Is Better for Memory and Learning (www.scientificamerican.com)
    190 points by Bender over 2 years | 126 comments
29. Crime rings trafficking sand (www.scientificamerican.com)
    188 points by PaulHoule over 2 years | 111 comments
30. The Covid Zoom Boom Is Reshaping Sign Language (www.scientificamerican.com)
    187 points by bbirnbaum over 5 years | 178 comments
31. Brain Waves Synchronize When People Interact (www.scientificamerican.com)
    181 points by beardyw about 3 years | 86 comments
32. Scientists generate XX and XY cells from a person with Klinefelter syndrome (www.scientificamerican.com)
    179 points by Amorymeltzer over 3 years | 148 comments
33. High IQs are associated with mental and physical disorders (www.scientificamerican.com)
    175 points by amin over 5 years | 283 comments
34. Why kids are afraid to ask for help (www.scientificamerican.com)
    175 points by Bender almost 4 years | 121 comments
35. Galaxy-Size Gravitational-Wave Detector Hints at Exotic Physics (www.scientificamerican.com)
    168 points by pseudolus over 5 years | 23 comments
36. Stars that race through space at nearly the speed of light (www.scientificamerican.com)
    161 points by thedday over 5 years | 156 comments
37. People who jump to conclusions show other kinds of thinking errors (www.scientificamerican.com)
    160 points by pseudolus almost 5 years | 143 comments
38. Sometimes mindlessness is better than mindfulness (www.scientificamerican.com)
    160 points by lxm almost 5 years | 143 comments
39. Arxiv.org reaches a milestone and a reckoning (www.scientificamerican.com)
    157 points by pseudolus over 4 years | 86 comments
40. The most boring number in the world is... (www.scientificamerican.com)
    155 points by pseudolus over 3 years | 100 comments
41. How the Higgs Boson Ruined Peter Higgs’s Life (www.scientificamerican.com)
    154 points by pseudolus about 4 years | 59 comments
42. How a carnivorous mushroom poisons its prey (www.scientificamerican.com)
    153 points by sohkamyung over 5 years | 54 comments
43. Satellites Reveal Cause of Uttarakhand Flood That Devastated Hydroelectric Dams (www.scientificamerican.com)
    150 points by ystad over 5 years | 47 comments
44. AI-Generated Data Can Poison Future AI Models (www.scientificamerican.com)
    147 points by meany over 2 years | 85 comments
45. Quantum astronomy could create telescopes hundreds of kilometers wide (www.scientificamerican.com)
    145 points by pseudolus over 5 years | 35 comments
46. Earth Stopped Getting Greener 20 Years Ago (www.scientificamerican.com)
    145 points by Podgajski almost 3 years | 105 comments
47. Excess protein enabled dog domestication during severe Ice Age winters (www.scientificamerican.com)
    142 points by pseudolus over 5 years | 165 comments
48. The equinox is not when day and night have equal lengths (www.scientificamerican.com)
    142 points by Brajeshwar almost 3 years | 110 comments
49. MDMA moves from club drug to real therapy (www.scientificamerican.com)
    141 points by Bender over 3 years | 138 comments
50. Major Depressive Disorders Have an Enormous Economic Impact (www.scientificamerican.com)
    138 points by pseudolus over 5 years | 138 comments
51. Wormhole Tunnels in Spacetime May Be Possible, New Research Suggests (www.scientificamerican.com)
    138 points by awb over 5 years | 88 comments
52. Paul Erdős, the most prolific mathematician (www.scientificamerican.com)
    137 points by hilux over 2 years | 67 comments
53. The lifesaving sled dog Balto had genes unlike those of dog breeds today (www.scientificamerican.com)
    136 points by deepzn over 3 years | 72 comments
54. Physicists measure the gravitational force between the smallest masses yet (www.scientificamerican.com)
    134 points by alok-g over 5 years | 43 comments
55. Ketchup is a non-Newtonian fluid (www.scientificamerican.com)
    132 points by pseudolus over 5 years | 82 comments
56. Spiders seem to have REM-like sleep and may even dream (www.scientificamerican.com)
    131 points by alistairSH about 4 years | 65 comments
57. Infinity Category Theory Offers a Bird’s-Eye View of Mathematics (www.scientificamerican.com)
    130 points by louthy about 5 years | 52 comments
58. Watch Baby Octopuses Hatch from a Surprising Deep-Sea Nursery (www.scientificamerican.com)
    129 points by gmays about 3 years | 54 comments
59. Grass makes better ethanol than corn does (2008) (www.scientificamerican.com)
    128 points by dmbche over 3 years | 164 comments
60. Giant 'Gravity Hole' in the Ocean May Be the Ghost of an Ancient Sea (www.scientificamerican.com)
    128 points by _Microft about 3 years | 69 comments
61. Conversations almost never end when both parties want them to: study (www.scientificamerican.com)
    125 points by curmudgeon22 over 5 years | 72 comments
62. Why do we assume extraterrestrials might want to visit us? (www.scientificamerican.com)
    125 points by laybak over 5 years | 286 comments
63. Why don't we get our drinking water by taking salt out seawater? (2008) (www.scientificamerican.com)
    125 points by Bender about 3 years | 356 comments
64. Deadly fungi are an emerging microbe threat (www.scientificamerican.com)
    124 points by laurex over 5 years | 76 comments
65. Coastal Arctic Sea Ice Is Thinning Faster Than Previously Thought (www.scientificamerican.com)
    124 points by LinuxBender over 5 years | 14 comments
66. When Did Life First Emerge in the Universe? (www.scientificamerican.com)
    123 points by pseudolus over 5 years | 91 comments
67. Fish skin can heal other animals' eye injuries (www.scientificamerican.com)
    123 points by Bender almost 3 years | 43 comments
68. Joys and pains of insects (www.scientificamerican.com)
    123 points by bookofjoe about 3 years | 82 comments
69. Surprising supernova scars cover the Earth (www.scientificamerican.com)
    122 points by consumer451 over 2 years | 101 comments
70. Simple mathematical law predicts movement in cities around the world (www.scientificamerican.com)
    120 points by iamwil about 5 years | 33 comments
71. The Art of Mathematics in Chalk (www.scientificamerican.com)
    120 points by tonyjstark over 5 years | 37 comments
72. Jailbroken AI Chatbots Can Jailbreak Other Chatbots (www.scientificamerican.com)
    120 points by beardyw almost 3 years | 65 comments
73. Valley Fever Is a Growing Fungal Threat to Outdoor Workers (www.scientificamerican.com)
    119 points by Bender almost 3 years | 32 comments
74. Light can be reflected not only in space but also in time (www.scientificamerican.com)
    119 points by rbanffy almost 3 years | 74 comments
75. Rural children now grow slightly taller than city children in wealthy countries (www.scientificamerican.com)
    118 points by pseudolus over 3 years | 147 comments
76. Why are Alaska's rivers turning orange? (www.scientificamerican.com)
    117 points by maciekmm over 2 years | 75 comments
77. When scientific orthodoxy resembles religious dogma (www.scientificamerican.com)
    116 points by version_five over 5 years | 144 comments
78. We Are Living in a Climate Emergency, and We’re Going to Say So (www.scientificamerican.com)
    115 points by seriousquestion over 5 years | 227 comments
79. A hormone may boost cognition in Down syndrome (www.scientificamerican.com)
    114 points by Bender about 4 years | 147 comments
80. Our memory is better than experts thought (www.scientificamerican.com)
    113 points by pseudolus over 5 years | 38 comments
81. Is consciousness part of the fabric of the universe? (www.scientificamerican.com)
    113 points by Bender almost 3 years | 320 comments
82. Crows are capable of recursion, scientists claim (www.scientificamerican.com)
    111 points by kposehn almost 4 years | 95 comments
83. A ‘double brood’ of periodical cicadas will emerge in 2024 (www.scientificamerican.com)
    111 points by Brajeshwar over 2 years | 76 comments
84. Humans are more dependent on water than many other mammals (www.scientificamerican.com)
    107 points by yusuf_giftworks about 5 years | 137 comments
85. The Asteroid That Killed the Dinosaurs Created the Amazon Rain Forest (www.scientificamerican.com)
    106 points by hheikinh over 5 years | 79 comments
86. Birds make better bipedal bots than humans do (www.scientificamerican.com)
    103 points by prostoalex over 4 years | 69 comments
87. Images in the mind’s eye are quick sketches that lack simple, real-world details (www.scientificamerican.com)
    103 points by webmaven about 3 years | 88 comments
88. Quantum physics falls apart without imaginary numbers (www.scientificamerican.com)
    101 points by wrycoder over 3 years | 157 comments
89. The U.S. Just Lost 26 Years' Worth of Progress on Life Expectancy (www.scientificamerican.com)
    97 points by pmoriarty almost 4 years | 128 comments
90. Robot AI beats world-class curling competitors (2020) (www.scientificamerican.com)
    96 points by pmontra over 5 years | 67 comments
91. AI Doesn't Threaten Humanity. Its Owners Do (www.scientificamerican.com)
    96 points by laurex over 2 years | 45 comments
92. Social animals seek power in surprisingly complex ways (www.scientificamerican.com)
    95 points by rntn over 4 years | 29 comments
93. The Tunguska Mystery 100 Years Later (2008) (www.scientificamerican.com)
    94 points by olivermarks over 3 years | 76 comments
94. Acting out dreams predicts Parkinson’s and other brain diseases (www.scientificamerican.com)
    92 points by benbreen over 3 years | 25 comments
95. Humans Could Live up to 150 Years, New Research Suggests (www.scientificamerican.com)
    91 points by awb over 5 years | 153 comments
96. Ultrasound Enables Remote 3-D Printing – Even in the Human Body (www.scientificamerican.com)
    90 points by _Microft almost 3 years | 18 comments
97. Cats Are Perfect. An Evolutionary Biologist Explains Why (www.scientificamerican.com)
    89 points by LinuxBender almost 3 years | 84 comments
98. Ruins of Emperor Nero’s Theater Discovered Near Vatican (www.scientificamerican.com)
    87 points by diodorus about 3 years | 38 comments
99. A blank wall can show how many people are in a room and what they’re doing (www.scientificamerican.com)
    81 points by isaacfrond almost 5 years | 14 comments
100. System Analysis and Programming (1966) (www.scientificamerican.com)
     81 points by aragonite over 2 years | 5 comments