Long-horizon search agents must make multiple sequential actions (steps) to search, retrieve, verify, and integrate evidence to reach a final answer. However, existing methods for training these agents typically treat all steps within a trajectory uniformly during both supervised fine-tuning (SFT) and reinforcement learning (RL), failing to distinguish useful actions from erroneous or redundant…
New York Times reporter Eric Lipton discusses his Pulitzer Prize-winning investigations into Trump's conflicts of interest and whether he's exploiting the power of the presidency for self-enrichment.
Newborn German cockroaches use pheromones in cockroach feces to identify members of their own colony and form a kind of social bond, a discovery that could be used to improve pest control efforts.
Dependence of ports on interconnected systems has created new vulnerabilities that can adversely affect the safety, security and functioning of port facilities, DGMA said in an advisory