“The use of stone to make stone that can cut flesh is important,” Richard Leakey said. “We’re not empirical things, we’re thinkers. … What was it that triggered that response?”
Follow Us:
Tag: human ancestors
Categories
Popular Stories
- Climate and Conquest: How Did Genghis Khan Rise?
- What Happens to All That Plastic?
- From Wastewater to Drinking Water
- What You Can Do to Protect Biodiversity
- Rare Earth Metals: Will We Have Enough?
- Is Biomass Really Renewable?
- Congratulations to the M.S. in Sustainability Management Class of 2013
- Seawater Greenhouses Produce Tomatoes in the Desert
- How China Is Dealing With Its Water Crisis
Features
Research Centers and Departments
Earth Institute Videos
Recent Authors
Archive
-
State of the Planet is a forum for discussion on varying viewpoints. The opinions expressed by the authors and those providing comments are theirs alone, and do not necessarily reflect the opinions of the Earth Institute or Columbia University.
Follow Us:
Earth Institute, Columbia University