Exploring Mexico’s Otherworldly Cave of Crystals
The Cave of Crystals is a massive cavern, filled with gigantic gypsum crystals, larger than any crystals ever before seen on Earth.
Did the Internet Kill the TV Cliffhanger?
The internet may have changed the concept of the television cliffhanger, but is it possible that knowing the ending of something increases our enjoyment?
How Did Big Pharma Get Big?
One branch of the healthcare industry that receives particular opprobrium for its high costs in America compared to other countries is pharmaceuticals.
Joseph Lister’s Antiseptic Revolution
Joseph Lister's landmark articles on antiseptic surgery in the Lancet were published 150 years ago. The revolution was not immediate.
Breaking Trail at the Iditarod, Alaska’s 1,000-Mile Dog Sled Race
Each year, Alaska hosts a 1,000-mile-long dog sled race called the Iditarod. Its founder, Joe Redington, Sr., deserves credit for preserving the sport.
How Global Warming Is Threatening Genetic Diversity
The meltwater stonefly, an insect on the leading edge of climate change, is in danger because its frigid mountain habitat is rapidly disappearing.
The Craziest Ways Animals Escape Their Predators
From shedding skin to making slime to shooting blood out of their eyes, these animals have defense mechanisms that are convincing, to say the least.
Who Can You Trust Online?
Who can you trust online? It’s a question that comes up constantly in our digital lives, and it’s also a subject of great fascination to internet scholars.
The Incredible Unsung Karst Ecosystem
One of the world’s most incredible, yet unsung, ecosystems, karsts are home to a remarkable biological diversity.
The Agonizing Death of the Aral Sea
After decades of environmental disaster, fish and wildlife may rebound to Central Asia's Aral Sea, but the lake will never be restored to its former glory.