polar bear, bears, facts, top 10, bear facts, bear, polar bears, bear species, animals for kids, nature, tardigrades, 10 bear facts, micro-organism, waterbear, water bear, waterbears, scientific, science, nature facts, tardigrade (organism classification), extremophile, animation, presentation, powtoon, micro organism, 10 facts about bears, fun facts about bears, facts about bears, brownies, nb, nick bunyun, nickbunyun, michael bond, paddington coat, paddington boots, paddington series, children's books, children's cinema, children's movies, kids movies