“Tick Talk” — The Discovery Files

In the northeastern United States, warmer spring temperatures are leading to shifts in the emergence of the blacklegged ticks that carry Lyme disease and other tick-borne pathogens. At the same time, milder weather is allowing ticks to spread into new geographic regions. Conclusions on blacklegged tick emergence were based on nineteen years of data collected at the Cary Institute of Ecosystem Studies in Millbrook, N.Y.