Two Drops of Life: India’s Path to End Polio

On the eve of its 6th polio-free anniversary, India immunizes over 170 million children, despite a lack of roads, reinfection threats, and a periodic mistrust of vaccines.
A hedgehog in a porcelain cup

Biomimicry Comes for the Noble Hedgehog

Inventors often use animals' adaptations to the environment in applications that benefit humans, from sharky swimsuits to hedgehog-inspired helmets.
John Tyndall's setup for measuring radiant heat absorption by gases

How 19th Century Scientists Predicted Global Warming

Today’s headlines make climate change seem like a recent discovery. But Eunice Newton Foote and others have been piecing it together for centuries.
graphene

Will Graphene Deliver on Its Promise?

Strong, stable, and conductive at one atom thick, graphene has amazing potential in a variety of applications. But is hype all the material has?
A fetus inside of an artistic depiction of an artificial womb

On the History of the Artificial Womb

Will outside-the-womb gestation, increasingly viable for animal embryos, lead to a feminist utopia? Or to something like Aldous Huxley’s Brave New World?
A schematic of manganese nodules mining on the deep sea floor.

The Potential Pros and Cons of Seabed Mining

Concentrations of iron manganese nuggets and other metals in the deep seabed have stirred up interest in mining. But at what cost?
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.