World War 1 soldiers wearing gas masks

The Amoral Scientist

Fritz Haber was a chemist who made discoveries that improved global agriculture… but also helped spawn the modern era of chemical warfare.

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.
Reflection of crocodile submerged in water, Australia

Coexisting With Crocodiles

Conservation efforts have led to increased crocodile populations in areas like the Philippines. It's great news for the crocs. Not so much for the people.
Two Sumatran tigers

Mating at the Zoo Can Be Dangerous

A Sumatran tiger killed the female he was meant to mate with. Mating endangered species in captivity has long been a problem, if not always to such dramatic effect.
Voyager 2 near Neptune and Triton

Voyager 2 Heads into the Unknown

Forty-one years after its launch, Voyager 2 has officially crossed out of the solar system and into interstellar space. What has it discovered along the way?
Dark matter galaxy clusters

Dark Matter in the Universe

According to current scientific theories, dark matter and dark energy make up most of the universe. But we don't even know what they actually are.
Stephen Hawking RIP

Remembering Stephen Hawking and Future Science

An original essay about the science of the future by the late theoretical physicist.
Husk Power Systems

Running On Rice Husks—How One Entrepreneur Brought Electricity to His Village

In the rural Indian province of Bihar, Husk Power Systems is converting leftover rice husks into biofuel. Now they're building mini-power plants around the country, and expanding into Tanzania.
Mount Everest North Face Tibet

How to Measure a Mountain

It’s not easy to measure a mountain. Mount Everest's height has been known since the middle of the nineteenth century, but how did they figure it out with no altimeters or GPS?

Fashion Forward: How Three Revolutionary Fabrics Are Greening the Industry

Kelp, yeast, and sequestered methane gas are on the forefront of the move to create environmentally friendly clothing