animalsScienceValentine's Day Google Doodle raises awareness of endangered pangolinsScienceBiologists help deaf mice hear again by inserting healthy genes into their earsScienceYour oldest ancestor was a sack-like creature with no anusScienceArtificial robotic heart muscles keep pigs alive after heart attacksScienceThe elusive ruby seadragon has been caught on camera for the first timeScienceScientists turn mice into fierce hunters by flicking a 'killer switch' in their brainsScienceVampire bats in Brazil are feeding on humansScience'Star Wars' gibbon found in China is named after Luke Skywalker - and Mark Hamill is delightedScienceYour dog pays more attention when you talk in that silly-billy, ickle-pickle voiceScienceElusive 'ghost shark' captured on camera in the ocean depthsScienceUnlocking the secrets of why seahorse males give birthScienceTiny QR codes were stuck to the backs of ants in the name of data scienceScience'Devastating decline' in giraffe numbers puts the species on the road to extinctionScience2016 wasn't all bad! 16 positive things that happened over the past 12 monthsScienceChimps recognise butts in the same way humans recognise facesScienceCarpenter ants 'throw up' on each other to say helloScienceAlcoholic rats, ribless mice and a goat that lactates silk: inside Wellcome's bizarre animal showScienceBeavers are back! The animals are native to Scotland again after 400 yearsScienceYour dog knows what you did last summer: canines have 'episodic memories' like primatesScienceWatch rats being tickled and 'jumping for joy', all in the name of scienceScienceHoly speed boost Batman! Brazilian free-tailed bats found to be the fastest flying animalsScienceBrain implant helps paralysed monkeys walk in just six daysScienceWildlife numbers plummet by 58% in 40 years – and it could signal a sixth mass extinctionScienceMillions of Farm Animals Fall Victim to Hurricane MatthewMore Stories