Eric Walker added How many early human species existed on Earth? and tagged it with Neanderthal extinction

Eric Walker added Researchers discover hybrid fungus involved in lung infections and tagged it with Aspergillus latus

Eric Walker added Genes | Free Full-Text | Hybridization of Russian Sturgeon (Acipenser gueldenstaedtii, Brandt and Ratzeberg, 1833) and American Paddlefish (Polyodon spathula, Walbaum 1792) and Evaluation of Their Progeny and tagged it with Species