The Extinct Civilization of Mars
Liquid water has been detected on Mars. We explore the history of the search, and the astronomer, Percival Lowell, who shook the public imagination.
What Causes Brain Freeze AKA Ice Cream Headaches?
Brain freeze, or the ice cream headache, is still little understood.
Aphantasia: When the Mind’s Eye is Blind
Those suffering from aphantasia cannot form mental images. Which begs the question: What exactly do we mean when we say mental image?
Take a Nap, It’s Good For You
Like taking a nap? Exploring the research that finds a positive correlation between health and a short daily rest.
Homo Naledi: Our Newly Discovered Ancestor
Found in a cave in South Africa, the fossils have been determined to be from Homo naledi, a previously unknown ancestor of the human species.
Stonehenge’s Larger Neighbor
The discovery of Durrington Walls, a monument more formidable than Stonehenge, deepens the mystery of these Neolithic structures.
Sealed In A Dome For Science
NASA volunteers are experimenting with long-term isolation in a dome in preparation for long space flights.
Is Tropical Sustainable Logging Possible?
So-called sustainable commercial logging is not sustainable.
Venom Found in the Unlikeliest of Animals
Venom is used by some surprising animals, including mammals.
Gardening in Space
Zero-gravity gardening: why growing plants in space isn't the same as here on Earth.