Declassifying Operation Argus
Operation Argus marked the first time the earth’s magnetic field was visualized experimentally.
Indian Leopards Living High on the Dog
Unbeknownst to unsuspecting residents, a large number of leopards are prowling the fields and backyards of populated agricultural lands in India.
2014 is the International Year of Crystallography
UNESCO has declared 2014 to be the International Year of Crystallography.
The Mystery of Megasphaera
When did animals first come into being? It might have been millions of years earlier than we thought.
Recession Lessons from an Ancient Fossil Bed
In a 120-million-year-old rock in Northeast China, paleontologists made a remarkable find.
Infection Control 600 Years Before the CDC
Modern health authorities combating the Ebola virus in West Africa might look to medieval infection control for inspiration.
Is Marijuana Good for Public Health?
What if the rise in marijuana smoking prompted by legalization brings more than just tolerable negative side effects? What if it is actually good for public health?
Ole Rømer and the Speed of Light
In 1676, Danish astronomer Ole Rømer predicted that an eclipse of one of Jupiter’s moons would occur ten minutes later than expected. How did he know?
Long-Distance Migration: Everybody’s Doing It
The birds do it. The butterflies do it. And now we know that the dragonflies do to it, too: long-distance migration.