Science news this week: ''Cloud People'' tomb found in Mexico, pancreatic cancer breakthrough, and the AI swarms poised to take over social media (www.livescience.com)
''Part of the evolutionary fabric of our societies'': Same-sex sexual behavior in primates may be a survival strategy, study finds (www.livescience.com)
Drones could achieve ''infinite flight'' after engineers create laser-based wireless power system that charges them from the ground (www.livescience.com)
Science news this week: The world''s oldest rock art, giant freshwater reservoir found off the East Coast, and the biggest solar radiation storm in decades (www.livescience.com)
Stream Will Smith''s Pole to Pole and many more nature and science documentaries with a 33% saving in this limited-time Disney deal (www.livescience.com)
Arctic blast will bring ''life-threatening'' temperatures and dump snow on 150 million Americans. But will it make the trees explode? (www.livescience.com)
Scientists may be approaching a ''fundamental breakthrough in cosmology and particle physics'', if dark matter and ''ghost particles'' can interact (www.livescience.com)
1,700-year-old Roman marching camps discovered in Germany — along with a multitude of artifacts like coins and the remnants of shoes (www.livescience.com)
Strange discovery offers ''missing link'' in planet formation: ''This fundamentally changes how we think about planetary systems'' (www.livescience.com)
One of the last woolly rhinos to walk Earth was eaten by a wolf pup — and scientists have now sequenced its genome from the undigested meat (www.livescience.com)
How to watch ''Pole to Pole with Will Smith'' — TV and streaming details as Oscar-winning actor blends adventure and scientific discovery (www.livescience.com)
Giant sunspot that triggered recent solar ''superstorm'' shot out nearly 1,000 flares and a secret X-rated explosion, record-breaking study reveals (www.livescience.com)
Science history: Sophie Germain, first woman to win France''s prestigious ''Grand Mathematics Prize'' is snubbed when tickets to award ceremony are ''lost in the mail'' — Jan. 9, 1816 (www.livescience.com)
1.5 million-year-old Homo erectus face was just reconstructed — and its mix of old and new traits is complicating the picture of human evolution (www.livescience.com)