Reconstructing the Inaccessible Cosmic Dawn

12/06/22 The only way to understand the emergence of the earliest structures in the universe is through complex computer simulations. Here's how they are created and tested. Mark Vogelsberger

Massive Galaxies: Where and How They Form

04/14/2014 The investigation of how super-galaxies form is expected to provide insight into other mysteries such as dark matter and dark energy. Arjun Dey

Our Robots, Ourselves

02/10/16 The author of "Our Robots, Ourselves" discusses the limits of robot autonomy. David Mindell

Biodiversity in the Sixth Mass Extinction

03/19/24 A prominent biologist explains the crucial importance of biodiversity for life on Earth, and how the sixth mass extinction fractures that stability. Michael Reed.

Why We Need an International Plan on Climate Change

07/28/17 The long struggle to commit the international community to prepare for the worldwide climate crisis. Henrik Selin

Take Action! How We Can Save the Environment

06/21/18 Harvard's Law School Environmental Clinic shows us how we can use the law to save our environment. Wendy B. Jacobs

Social Media and Mental Health

02/21/23 There is increasing concern about the impact of social media on mental health, especially among young people. What causes this problem and how should it be addressed? Jacqueline Sperling

Breakthrough in Antibiotics Resistance

03/24/15 An ingenious solution to the crisis of ineffective antibiotics is making headlines. Kim Lewis

Harvesting Electricity Out of Thin Air

10/24/23 Imagine a future world in which clean electricity is available anywhere you go. The generic Air-gen effect innovation means that this future world can become a reality. Jun Yao

Solar Energy the Third Way

02/14/12 Efficient production of solar energy with solar thermo-electric generators (STEGs)... Gang Chen

Today's Featured Contributors

Featured Author

Stuart B. Levy, M.D.

An international expert on the mechanisms of antibiotics resistance and a leader in creating public awareness

Featured Guest

Les Kaufman, PhD

An early voice, and a persistent one, in warnings of the impact of climate change on ocean ecology