Posted: 15/01/2015 at 22:19
Utterly useless inventions?
It's not for cleaning mushrooms, and it's not useless but there is a little brush I want.
From Nature: Writing in this week's Nature1, the Caltech team shows that, in mice, a particular type of neuron, identified by molecular markers, responds specifically to stroking. The researchers used a custom-designed brush to pinch, poke or stroke mice on their hind limbs, as seen in the video above, and identified the responding neurons by imaging spots of fluorescence that represent the increase in calcium that occurs when a neuron fires. Another type was identified that was activated by the uncomfortable pinch stimulus but not by stroking.
I want a custom-designed brush for pleasurably stroking the back legs of mice. I would carry it around, so that people would ask me what it was for and I could tell them it was for pleasurably stroking the back legs of mice.