We captured the explosive power of dry ice sealed in water as it bursts apart, filmed at an incredible 25,000 frames per second. The slow-motion footage reveals every detail of the shockwave, flying ...

Zebra mussels, spotted thistle, kudzu and spiny pigweed are just a few of the more than 2,000 alien species quietly threatening biodiversity in the United States Zebra mussels, spotted thistle, kudzu ...