Farming on Mars will be harder than your favorite sci-fi movie makes it seem
The different soil and and lack of an atmosphere on Mars will make growing and harvesting crops more difficult than it is on Earth, despite how easy it seems in movies based on the red planet.
A newer, safer way to train dogs to detect explosives and narcotics - K9 Chemistry
With new developments in the implementation of chemistry in technology, canine trainers will no longer have to expose dogs to dangerous materials to train them.