Kid News This Week: Carnival & Lent, Kenya’s ancient tools, Australia’s new spiders, “Lord of the Ring” frog

Kid News This Week: Carnival season ends and Lent begins - we explain what it all means, plus a special report from Germany's Fasching, Kenya’s 2.9-million-year-old tools redefines humanity, Australia’s 3 new spider species, Ecuador’s “Lord of the Ring” frog and more!