Anthropologists found parasite eggs in ancient poop samples, providing a glimpse of human health as hunter-gatherers transitioned to settlements. Christopher Intagliata reports. -- Read more on ScientificAmerican.com
New fossils and analyses of ancient ocean chemistry reveal the surprisingly deep roots of the Cambrian explosion -- Read more on ScientificAmerican.com
Some wild female bonobos introduce their sons to desirable females—then make sure their relations won’t be interrupted by competing males. Karen Hopkin reports. -- Read more on ScientificAmerican.com
Are they the first animal embryos? 20 years post-discovery, these and other fossils from the 600-million-year-old Doushantuo Formation remain frustratingly enigmatic -- Read more on ScientificAmerican.com