The number 2

The Quantum Random Number Generator

It’s real. And it will use quantum entanglement to generate true mathematical randomness. Here’s why that matters.
Lee Smolin

Lee Smolin: Science Works Because We Care to Know the Truth

Lee Smolin speaks on quantum gravity, the nature of time, the role of ethics in science, and the importance of realism.
A gardener planting yellow flowers in the soil.

Five Steps to Making Your Garden a Carbon Sink

If the 81 million U.S. households with yards adopt these practices, they could absorb more carbon and help combat climate change.
This infographic details the locations of the participating telescopes of the Event Horizon Telescope (EHT) and the Global mm-VLBI Array (GMVA).

Seeing Black Holes

Two of the scientists on the huge team that eventually captured the world's first image of a black hole discuss the particular challenges of the task.
A meteor striking earth

How to Avoid a Meteor

It isn’t likely that Earth will be hit by a large meteor, but if it were, the results would be catastrophic.
Source: https://commons.wikimedia.org/wiki/File:Golfstream.jpg

Remembering Climate Pioneer Dr. Wallace Broecker

He brought us the term "global warming," furthering our understanding of the ways in which people affect the planet's climate.
An artist's rendering of space travel

The “Real” Warp Drive

Sure, it sounds like science fiction. But some researchers suggest that warp drives might actually be a possibility.
Composite image of Dmitri Mendeleev, a periodic table, and the Milky Way galaxy

How Far Does the Periodic Table Go?

Efforts to fill the periodic table raise questions of special relativity that “strike at the very heart of chemistry as a discipline.”
A contraption used to extract the silk from a spider

The Tangled History of Weaving with Spider Silk

Spider silk is as strong as steel and as light as a feather, but attempts to industrialize its production have gotten stuck, so to speak.
Relics from the Franklin Search Expedition

When Clairvoyants Searched for a Lost Expedition

When Captain Sir John Franklin's Arctic expedition went awry, clairvoyants claimed to be able to contact the crew members. Why did people believe them?