When a Cultivated Tree Goes Rogue
The Callery pear was meant to help prevent fire blight from destroying the commercial pear industry. Then it became invasive.
The Accidental Invention of Terrariums
Victorian London became obsessed with Ward's cases, which protected plants from the city's toxic pollution -- and piqued peoples' imaginations.
Why Ancient Egyptians Loved Cats So Much
Ancient Egyptians' love of cats developed from an appreciation of their rodent-catching skills to revering them as sacred creatures.
Seven Things You Might Not Know About Cranberries
They're red, tart, and mostly eaten at Thanksgiving. Love them or hate them, here are seven things you might not have known about the humble cranberry.
The Raffish and Radical Constantine Samuel Rafinesque
Constantine Samuel Rafinesque was an adventuring naturalist who named 2,700 genera and wrote about evolution before Darwin. Why has he been forgotten?
The Last Vigil of the Octopus Parent
For some species of octopus, reproducing is a lonely act that ends in death.
Wollemi Pine, Dinosaur Tree
The Wollemi Pine is an ancient tree, virtually unchanged since herbivorous dinosaurs last munched on them.
Catching Cats With Cologne
The cat-attracting ability of perfume has been known since at least the 18th century. Will it help authorities catch a killer tiger?
How to Be the Fattest Bear
Gaining enough weight to survive a winter of hibernation is actually very hard work.