A rare juvenile foot fossil of our early hominin ancestor, Australopithecus afarensis, exhibits several ape-like foot characteristics that could have aided in foot grasping for climbing trees, a new study shows. This finding challenges the long-held assumption that A. afarensis was exclusively bipedal (using only two legs for walking) and only occasionally climbed into trees.…
AI System Beats Humans at the Poker Table, In Complex Game
Researchers have created an artificial intelligence system that outperforms humans at the heads-up no-limit version of Texas Hold’em, a complex game involving 10160 decision points. In games such as chess, players have equal access to information. What makes poker much more challenging for artificial intelligence to master is that each player has asymmetrical information about the…