蜜芽传媒

Forces of Nature with Brian Cox The Universe in a Snowflake Clips

1. Honey hunters in Nepal

   Duration: 02:05

2. Why do bees build hexagonal honeycombs?

   Duration: 02:31

3. Why Does Gravity Make Earth Round?

   Duration: 02:22

4. Why does ice float?

   Duration: 02:15