Courtesy SeaDream

A Century After They First Appeared, Electric Boats Are Making a Comeback

In the late 1800s, electric boats were a promising new technology. They are now enjoying a revival.
Flakes of sea salt spilling out of a jar

A Grain of Solar-Made Sea Salt

 Artisanal sea salt makers are reviving the ancient method of sustainably harvesting salt.
A tornado in a field

Why Tornadoes Are So Difficult to Predict

Scientists and weather forecasters have been trying to understand tornadoes for over 100 years, but the average advanced warning is still only 14 minutes.
An archerfish shooting water at a bug

The Amazing Eyes of the Archerfish

The archerfish has an unusual skill: it spits water directly at its prey, knocking the bugs out of the sky. But how?
Plastic waste floating in the sea

Is Plastic Pollution Depriving Us of Oxygen?

Plastic debris is killing the ocean’s “invisible forests,” which produce ten percent of the oxygen we breathe.

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: 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.