"Probably isn't [spreading] on its own." Expert issues stark warning about dangerous invasive pest found across the US: 'Rapidly spreading' first appeared on The Cool Down.

-Zigzags subdivide as an A-B-C (5-3-5) sequence -Many times, wave C can be estimated using common rations and channeling The sub waves of an A-B-C zigzag appear as 5-3-5 Wave B of the zigzag cannot ...

North Carolina has a new insect resident, one that poses a unique risk to elm trees. The elm zigzag sawfly (Aproceros leucopoda Takeuchi) was first detected in the United States for the first time in ...

Lightning proceeds in a series of steps. All of us have seen lightning and have been surprised at the giant spark of electricity in the atmosphere between clouds and the air. The thunder and the loud ...