› added 8 years ago

138

TIL microneedle patches are being developed to replace hypodermic needles.

Read more livescience.com

via reddit.com

xVnRk TIL: that there is no data to show that “blue light” actually harms your eyes and that those blue light glasses are all scams.
Abrw TIL Jaywalking was made a law due, in part, to a deliberate effort by promoters of automobiles, such as local auto clubs and dealers, to redefine streets as places where pedestrians do not belong.
0dpG5 TIL: the key command win + . brings up an emoji menu.
dDE4r TIL Percieved sourness is caused not only by free protons, but also by protonated carboxyl groups. That means that organic acids will taste sour, even without really low hp. This explains why even some weak bases like sodium acetate taste sour, because the acetate ion will protonate.
M7r07 TIL that the “Made in Germany” label was first introduced in Britain in 1877. It was done as a protectionist move to stop the market from being flooded by cheap German knock-offs of British products.