Early big-game hunters of the Americas were female, researchers suggest: Challenges age-old ‘man-the-hunter’ hypothesis 

For centuries, historians and scientists mostly agreed that when early human groups sought food, men hunted and women gathered. Not so, say researchers.

Source: Early big-game hunters of the Americas were female, researchers suggest: Challenges age-old ‘man-the-hunter’ hypothesis — ScienceDaily

Timeline Unveiled for One of the Most Important and Puzzling Events in the Evolution of Life

By analyzing duplicates of thousands of genes, researchers have reconstructed the evolutionary events leading to the creation of eukaryotic cells, the precursors to virtually all life you can see with the naked eye. The evolutionary timeline from simple bacterial cells to complex eukaryotic cells

Source: Timeline Unveiled for One of the Most Important and Puzzling Events in the Evolution of Life