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The Department of Homeland Security will soon be using a laser at airports that can detect everything about you from over 160 feet away. It can actually read you on a molecular level (in case you’re hiding something in your genes?)

It will be able to read your adrenaline levels (measuring your level of tension and excitement), as well as find traces of drugs and gun powder your clothes, all without a physical search.

The scanner is called the Picosecond Programmable Laser (PPL), and works by blasting its target with lasers which vibrate molecules that are then read by the machine.
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Weed control has become a matter of national security. Along US southern coastal rivers, most particularly Texas’ Rio Grande, an invasive species of plant known as giant reed is encroaching on the water, overrunning international border access roads, and creating a dense cover for illegal activities.

So far, there’s no evidence that it’s being deliberately planted, but that could be the next step. Aerial photography by the US Department of Homeland Security reveals that this giant reed, known as Carrizo cane in Texas, is a nonnative bamboo-like plant that can grow more than 32 feet tall.
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How can we find home-grown terrorists who have been indoctrinated by (usually) internet propaganda, like Army psychiatrist Nidal Malik Hasan, who opened fire at Fort Hood, Texas, in 2009, killing 12 people and wounding 31 others?

The Defense Dept. intelligence Agency (DARPA) is asking scientists to look at the emails of groups of people around the world and create a program that can "make them quantitatively analyzable in a rigorous, transparent and repeatable fashion." Armed with this program, the military can target groups that are vulnerable to terrorists’ recruiting tactics, and perhaps even counter their messages with emails that give the opposite views.
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