A virus called simply M13 has the power (literally) to change the world. A team of scientists at the Berkeley Lab have genetically engineered M13 viruses to emit enough electricity to power a small LED screen. M13 poses no threat to humans — it can only infect bacteria — but it could one day serve humanity by powering your laptop, or even your city.
Illustration by Iaroslav Neliubov via Shutterstock





![theatlantic:
NIH Study: Coffee Really Does Make You Live Longer
Caffeine addicts, rejoice: all the coffee you’re downing over the course of a day could be lengthening your lifespan. For real.
According to research published today in the New England Journal of Medicine, people who drank four or five cups of coffee a day tended to live longer than those who drank only a cup or less. The benefit was more pronounced for women, but men also stand to gain somewhat from pounding joe.
Read more. [Image: antwerpenR/Flickr]](http://25.media.tumblr.com/tumblr_m4504paZxp1qcokc4o1_1280.jpg)



