Research roundup: 6 fascinating science stories we almost missed

Ars Technica's July research roundup covers 6 science stories, including fitting cyborg cockroaches with tiny diving suits to traverse flooded terrain, confirming that a Medici duke died of malaria rather than poisoning, and providing the best evidence to date that Betelgeuse has a companion star. Archaeologists reanalyzed the remains of an Inca sacrificed boy and confirmed that he died of blunt-force trauma rather than the previously believed freezing to death; the paper was published in Science Advances.