science

“[Mukhande Singh] said “real water” should expire after a few months. His does. “It stays most fresh within one lunar cycle of delivery,” he said. “If it sits around too long, it’ll turn green. People don’t even realize that because all their water’s dead, so they never see it turn green.”
(Unfiltered Fervor: The Rush to Get Off the Water Grid, Nellie Bowles, NYTimes, Dec 29, 2017.)
So those things turning the water green? Apparently, not bugs, but features. In unrelated “not understanding food science” news, don’t buy the Mellow sous vide machine. Features.

From his very first experiments, he could see that these animals were unrelated to jellyfish. In fact, they were profoundly different from any other animal on Earth.

Moroz reached this conclusion by testing the nerve cells of ctenophores for the neurotransmitters serotonin, dopamine and nitric oxide, chemical messengers considered the universal neural language of all animals. But try as he might, he could not find these molecules. The implications were profound.

Read “Aliens in our midst” at Aeon.

A study found that those who cycle have a net 41% lower risk of premature death. Now, when I read that headline my first thought was that it was 100 people over 6 months and a statistical fluke. But no, they followed a quarter million Britons for 5 years. Now, it’s not obvious that it’s…

Read More Bicycling and Risk

There’s a new paper from Mark Thompson and Hassan Takabi of the University of North Texas. The title captures the question: Effectiveness Of Using Card Games To Teach Threat Modeling For Secure Web Application Developments Gamification of classroom assignments and online tools has grown significantly in recent years. There have been a number of card…

Read More Do Games Teach Security?