知识世界

Environment:Building Blocks

One can come at the origin of life problem from all different sides. You see evidence of life everywhere. And when we talk about the most primitive， minimal form of life， we're talking about a type of life that is not within our experience today. While there is general agreement within the scientific community about what constitutes life， major questions remain concerning its origins. When did it begin?

• 01

  Environment： The Infinite Voyage —— Crisis in the Atmosphere

  
• 02

  Environment： Thirsty Planet（1）

  
• 03

  Environment： Waves in the Ocean

  
• 04

  Environment： Ice Worlds: Life at the Edge

  
• 05

  Environment： Something in the Air

  
• 06

  Environment： Building Blocks

  
• 07

  Environment： The Pond - Community Ecology in Action

  
• 08

  Environment： The Endless Voyage — Survivors

  
• 09

  Environment： The Nature of Things——The Living City

  
• 10

  Environment： It's in the Water