Can Artificial Rain, Drones, or Satellites Clean Toxic Air?
India’s capital has turned to tech to fight its worst air pollution in eight years.
These Stem Cell Treatments Are Worth Millions. Donors Get Paid $200
A Swedish startup wants to democratize stem cell treatments, but the finances of the unproven therapies raise ethical questions.
The End Is Near for NASA’s Voyager Probes
The two probes have left the solar system and are still collecting data from the interstellar environment—but their atomic hearts are growing weaker and weaker.
Chocolate Has a Sustainability Problem. Science Thinks It’s Found the Answer
Scientists have discovered a new way of making chocolate that uses the entire cocoa pod to reduce waste and improve farmer revenue streams. But can chocolate made any other way taste as sweet?
An Uncertain Future Requires Uncertain Prediction Skills
Forecasting is both art and science, reliant on both rigor and luck—but you can develop a mindset that anticipates and plans ahead.
The Mystery of How Supermassive Black Holes Merge
The giant holes in galaxies’ centers shouldn’t be able to combine, yet combine they do. Scientists suggest that an unusual form of dark matter may be the solution.
The $60 Billion Potential Hiding in Your Discarded Gadgets
Rich nations mine just a fraction of e-waste, leaving $60 billion a year in critical metals wasting away in boxes and drawers. But in West Africa, a dangerous recycling work is thriving.
Tune In to the Healing Powers of a Decent Playlist
Music therapy will move from the fringes of modern medicine to become a sophisticated tool for improving health outcomes.
Returning the Amazon Rainforest to Its True Caretakers
Indigenous peoples forced from the Amazon rainforest are finally getting the legal power to return—and it’s not only about justice. Under their stewardship, the forests can thrive.
How the World Can Cope Better With Extreme Rainfall and Flooding
Climate change, misdiagnosed vulnerability, and ignorance of risk amplify extreme rainfall disasters.