Alaska infrastructure at risk of earlier failure

Roads, bridges, pipelines and other types of infrastructure in Alaska and elsewhere in the Arctic will deteriorate faster than expected due to a failure by planners to account for the structures’ impact on adjacent permafrost, according to new research.

How immune cells can be trained to fight infections

The body’s immune cells fight off microbes and other invaders, and can also be reprogrammed or ‘trained’ to respond even more aggressively to such threats, report scientists who have discovered the fundamental rule underlying this process in a particul…