Nikon outfitted Grizzler the sheepdog with a camera that snapped photos when his heart rate rose, producing Instagram images of what excites him, from other dogs and food to wildlife and random objects. Scientists at the Korea Advanced Institute of Science and Technology created a spray-on powder that rapidly forms a hydrogel barrier to seal bullet wounds and remains stable for two years at room temperature. In the Galapagos, 158 endangered giant tortoises were released on an island where they had been extinct for 180 years, aided by genetic research linking living tortoises to the lost Floriana lineage and emphasizing their role as keystone species. A Harvard study explains basketball sneaker squeaks as rapid rubber contact changes and ripples. Osaka received an anonymous $3.6 million gold bar donation to repair aging water pipes. For Apple users, hit the banner which says Uninterrupted Listening on your Apple podcasts app. Subscribe now for exclusive shows like 'Palace Intrigue,' and get bonus content from Deep Crown (our exclusive Palace Insider!) Or get 'Daily Comedy News,' and '5 Good News Stories’ with no commercials! Plans start at $4.99 per month, or save 20% with a yearly plan at $49.99.