Originally published on Thu December 6, 2012 1:10 pm
The earthy smell of a fresh beet may spark delicious thoughts for us, but for a fruit fly, that smell screams danger.
Geosmin, a naturally occurring chemical that gives beets, fresh soil and corked wine their distinctive smell, is also cranked out by bacteria deadly to fruit flies. And it turns out that the tiny flies have a direct pathway from nose to brain made just to detect that smell — and avoid the toxic microbes that produce it.
A hacker associated with the collective Anonymous has been convicted in Britain today for attacks against the websites of PayPal, Mastercard and Visa.
Christopher Weatherhead was found guilty following the guilty pleas of three others — Jake Birchall, Ashley Rhodes and Peter Gibson. If you remember, the four were arrested for orchestrating denial of service attacks against the companies because they had stopped processing payments for WikiLeaks.
Originally published on Thu December 6, 2012 10:50 am
It's no surprise that how much a person eats determines how full they feel right after a meal. But it's the memory of that meal, and not the meal itself, that matters a couple of hours later. So does this mean you trick yourself into thinness? Probably not. But it does tell us something about the role that manipulating memory may play in calorie intake.