Christmas tree growers in Atlantic Canada are monitoring the spread of a disease and looking for ways to combat it.

Trees take eight to 10 years to grow to full size, which means losing any to disease can set farmers back by years.

Seven (Bonus point if you can name them all - Asia, Africa, North America, South America, Antarctica, Europe, and Australia.

Blasting is considered an indispensable process in mining excavation operations. Generally, only a small percentage of the total energy of blasting is consumed in the fragmentation and displacement of ...