› added 7 years ago

1117

TIL the origins of all cows can be traced back to a single herd

Read more wired.com

via reddit.com

OoN6R TIL braces use a shape memory alloy that activate in response to body heat. The pulling sensation you feel is the metal trying to get back to its original shape.
VBL0m TIL that after data reviews, "no evidence [was found] that placebo interventions in general have large clinical effects"
VBglB TIL of the worlds oldest recorded cat, Crème Puff, who lived to be 38yo, enjoyed red wine and coffee with cream, and had a brother who lived to be 34yo.
6V7X TIL Penn Jillette once cut his thumb open during his Vegas show while juggling broken bottles. He continued performing, bleeding all over props, a double bass, and Teller. The next day the wound was still bleeding so he had it glued shut on the air for his radio show.
P1nVO TIL you can have a negative magnitude earthquake. Magnitude calcs are based on logarithmic scale so a ten-fold drop in amplitude decreases the magnitude by 1. If an amplitude of 20 mm as measured on seismic signal corresponds to a magnitude 2 earthquake then 1000 times less (0.02 mm) is mag -1.