Video · Why are there so many different kinds of dogs? – Kathleen Morrill Pirovich TwitterShare on Facebook0 Ted Education - 16 hours ago Science Ted More Videos Why are there so many different kinds of dogs? – Kathleen Morrill Pirovich Science · 16 hours ago Can you figure out the savanna mystery? – Cella Wright Science · 3 days ago Beyond the Gates – Leslie Is Not Going Anywhere TV · 6 days ago Beyond the Gates – Who Can You Talk To TV · 1 week ago Can saunas make you live longer? – Max G. Levy Science · 1 week ago Can saunas make you live longer? – Max G. Levy Science · 1 week ago What makes fireflies light up at night? – Emily A. Geest Science · 1 week ago Beyond the Gates – Tides Are Turning TV · 1 week ago