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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Milk comes from contented cows, and the decline in milk production due to climate change varies across the country, since there are humidity and temperature swings between night and day vary as well. The humidity and hot nights make the Southeast the most unfriendly place for dairy cows. The Economist quotes economist Yoram Bauman as saying, "Cows are happy in parts of Northern California and not in Florida."
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