› added 6 years ago

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TIL that honey bees are the first insect known to grasp the concept of zero. Study shows that honey bees can learn and apply the concepts of greater than and less than to interpret a blank stimulus as representing the conceptual number of zero and place zero in relation to other numerical values.

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lDdK TIL a Nestle store in Japan sold Kit Kats coated with edible gold. Limited to 500, they were sold for the US equivalent of $16.
wLQEP TIL Silver foxes were selectively bred for domestication in the 1950's in order to study evolution. As with dogs, the ears started to droop as physical manifestation of docility, and some even started vocalizing barks as like dogs
Aplo TIL, The British National Grid have to prepare for power surges due to so many people switching on kettles during advertisement breaks of popular shows.
rRBLM TIL A fitness tracking app unknowingly revealed locations of secret US army bases. They released a map with over 3 million data points, showing popular running routes. Data shared by soldiers on the app was detailed enough to reveal sensitive information of users on active military service.
P19Ae TIL house sparrows that can't find a mate may serve as "helpers" to mated pairs in the hope of being chosen to replace a lost mate