Archives: Scientific American
A Spectacular Spiral May Encircle the Milky Way
One of our galaxy’s arms may do a full 360, upping the chances that our galactic home is a rare cosmic beauty
Is the Blood of Ebola Survivors an Effective Treatment?
When the World Health Organization recently named blood transfusions from Ebola survivors as its priority experimental therapy for the disease ravaging west Africa there was only one major problem: no data indicating that such transfusions work.
DNA Can Survive Reentry from Space
Genetic blueprints attached to a rocket survived a short spaceflight and later passed on their biological instructions
How People Make Summer Hotter
Researchers wired Madison, Wisc., to get a better grasp of the urban heat island effect
Meteorite Bears Evidence of Magnetic Fields in Early Solar System
An ancient meteorite has now yielded the first physical evidence that intense magnetic fields played a major role in the birth of our solar system.
Dark Matter Black Holes Could Be Destroying Stars at the Milky Way’s Center
If dark matter comes in both matter and antimatter varieties, it might accumulate inside dense stars to create black holes
The Philosophical Implications of the Urge to Urinate
The state of our body affects how we think the world works
New Experiment Aims to Crack Neutrino Mass Mystery
These particles should not have mass, but they do. By sending neutrinos through the ground from Illinois to Minnesota, physicists hope to learn why
An Ill Wind Blows in Antarctica, Threatens Global Flooding
Fiercer winds from the Southern Ocean means a faster meltdown of ice
Can General Anesthesia Trigger Dementia?
Scientists try to untangle the relationship between a temporary effect and a permanent condition