Mount Everest’s Death Zone
The zone above 8,000 meters is known among mountaineers as the “Death Zone.” Why do most deaths in the high mountains occur at these extreme heights?
The New Legacy of Casimir Pulaski
New findings reveal that the Polish war officer who aided the American Revolution may have been intersex.
Exploring Lake Baikal
The world's largest, deepest freshwater lake is home to hundreds of species that don't live anywhere else on Earth. But it's threatened by climate change.
The Extremely Real Science behind the Basilisk’s Lethal Gaze
According to the extramission theory of vision, our eyes send out beams of elemental fire that spread, nerve like, to create the visual field.
The Mysterious Gynandromorph
Gynandromorphy is an extremely rare condition in which an animal is half male and half female. It's most visible in birds and butterflies.
Mating at the Zoo Can Be Dangerous
A Sumatran tiger killed the female he was meant to mate with. Mating endangered species in captivity has long been a problem, if not always to such dramatic effect.
Wollemi Pine, Dinosaur Tree
The Wollemi Pine is an ancient tree, virtually unchanged since herbivorous dinosaurs last munched on them.
Who Was Antony Van Leeuwenhoek?
Antony Van Leeuwenhoek is considered the first microbiologist. Some of his original letters can be read here.
The Curious Science of Animal Personalities
Any pet owner can tell you that different pets have different personalities, but actually measuring personality in non-human animals is a challenge.