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Scientific American News

1. Oxygen-Rich Liquid Water May Exist on Mars
   Brines suffused with the life-giving gas could offer hope for past and even present microbes on the Red Planet, according to a new study
   
   -- Read more on ScientificAmerican.com

   

   
2. Scientists Double Down on Landing Sites for Sample-Collecting Mars Rover
   NASA’s Mars 2020 mission could visit two locations where microbial life may once have thrived
   
   -- Read more on ScientificAmerican.com

   

   
3. Saber-Toothed Cats May Have Roared Like Lions
   Small throat bones from the prehistoric feline Smilodon suggest it used fearsome vocalizations to communicate  
   
   -- Read more on ScientificAmerican.com

   

   
4. When Times Are Good, the Gender Gap Grows
   A study shows growing national wealth and gender equality accentuates differences in the types of choices men and women make
   
   -- Read more on ScientificAmerican.com

   

   
5. What Makes Human Brain Cells Unique?
   New findings reveal distinctive electrical properties of human neurons that may give us a boost in computing power
   
   -- Read more on ScientificAmerican.com