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What do the most disadvantaged students need for college success? Commencement image via www.shutterstock.com

Is a tuition-free policy enough to ensure college success?

Bernie Sanders and Hillary Clinton have called for making colleges and universities debt-free or tuition-free. Disadvantaged students need more than free college to achieve success.
Wildfires are getting bigger and more costly. Can we return them to a less dangerous state by looking to the past? U.S. Department of Agriculture

Recreating forests of the past isn’t enough to fix our wildfire problems

Restoring forest landscapes through active thinning and letting fires burn in order to minimize fire damage has proved harder and less effective than advocates believed, says historian of fire.
Treated with zinc nanoparticles, mung bean plants like these grew larger and produced more beans. Chad Zuber/Shutterstock.com

How nanotechnology can help us grow more food using less energy and water

Growing enough food to feed 9 billion people by 2050 will require huge amounts of energy and water. Using nanoparticles to boost plant growth and yield could save resources and reduce water pollution.