A man breathing in nitrous oxide (laughing gas) and a man exhibiting its exhilarating effects.

How Medical Researchers Used to Party

There’s always been some fuzziness in our distinctions between medicine and recreational drugs. Just look at nitrous oxide.

This Island Is Closed for Maintenance

The Faroe Islands owe their untouched nature to their remote location and stormy climate. And to a weekend closure.
A thumbprint on a screen

How Scientific Is Forensic Science?

We like to think that physical evidence is a foolproof way to lock in a conviction. The problem is that forensic science isn't exactly a science.

Kuiper Belt Objects Are as Mysterious as They Are Distant

Recently the New Horizons spacecraft made the first flyby of a Kuiper Belt Object (KBO) in the extreme outer solar system. What do we know about KBOs?
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.
A model showing the layers of Earth

The Woman Who Found the Earth’s Inner Core

Inge Lehmann was the seismologist and mathematician who figured out what the Earth's core was actually made of.
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.
Supermassive black hole

Rotating Black Holes May Serve as Gentle Portals for Hyperspace Travel

Feel like visiting another star system or dimension? You can do this by traveling through a black hole.
An opossum feigning death

The Biology of Death-Feigning

Some animals, when faced with predators, play dead instead of trying to escape. But for death-feigning to work, a lot of things have to go well.
Mary Agnes Chase collecting plants in Brazil in 1929.

The Woman Agrostologist Who Held the Earth Together

When government wouldn't fund female fieldwork, Agnes Chase pulled together her own resources.