Evolution Show; Ancient Burials & Animal Doubles

This week on Lost in Science, Linden explores fascinating new evidence that Homo naledi may have buried their dead 250,000 years ago—over three times earlier than we thought humans developed such rituals. What does this mean for our understanding of cultural evolution? Meanwhile, Chris dives into the curious world of convergent evolution—why do so many creatures evolve similar traits, like ant-eating habits? And what’s really the difference between slugs and snails?