Invisible Nature: Return of the Wood Frog
A common frog species takes an unusual approach to winter—one that would kill most other vertebrates.
Annette Heist, Ruth Lichtman, and Flora Lichtman's Latest Articles
Invisible Nature: Star of the Dunes
Coastal dunes set the stage for a surprisingly valuable partnership between a fungus and a tree.
Invisible Nature: The Glowing Squid
Instead of hiding in the dark, the Hawaiian bobtail squid cruises through moonlit waters—and hides its own shadow.
Invisible Nature: Invasion of the Caterpillars
Gypsy moths have been gaining ground in North American forests for 150 years. Can a caterpillar-melting virus keep them in check?
Invisible Nature: Life in the Clouds
Scientists are looking skyward to explore one of biology’s last frontiers, and discovering a rich diversity of microbial life high above our heads.
Invisible Nature: Code of the Treehopper
Hiding in plain sight and deceptively still, treehoppers have evolved an ingenious way to communicate—and they're making a racket.
The Lobster and its Amazing Noses
Enter the world of the lobster and witness the invisible signals that guide these creatures through life on the ocean floor.