Ecosystems: Interactions, Energy, and Dynamics
- Animals
Frogs evolved a wide variety of vocal sacs to amplify their ribbits
Maybe you've seen frogs with ballooning throats, but what about pop-out poofs and fat ear bumps?
- Animals
Scientists Say: Kleptopredation
It’s a hunter-eat-hunter world out there, and this feeding strategy gives some double-dipping predators a competitive edge.
- Animals
Young capuchins are kidnapping baby howler monkeys
The disturbing habit has emerged among capuchin monkeys on a remote island off Panama. Scientists are baffled — and concerned.
- Plants
Pollinators send out good vibrations — and plants respond sweetly
Snapdragon blooms can distinguish between the sounds of pollinators and thieves. They boost or drop the sugar in their nectar depending who’s arriving.
- Animals
These fish yawn — and it’s contagious
Zebrafish are the first cold-blooded animals known to behave this way. Contagious yawning may affect other behaviors in these fish, too.
- Animals
Whale pee is an ocean bounty
Some migrating cetaceans move thousands of miles to their breeding grounds, where whale urine fertilizes ocean waters with valuable nutrients.
- Animals
Analyze This: Moving frogs to new places helped an endangered species spread
Frogs resistant to a deadly fungus jump-started populations in these new areas.
- Ecosystems
Scientists Say: Ecosystem
The interplay between living things and the physical environment gives rise to Earth’s thriving, life-sustaining ecosystems.
- Animals
The ‘bone collector’ caterpillar wears its prey as camouflage
For months, the caterpillar scavenges spider webs for scrapped insect body parts to cover its protective case. Later, that case will serve as its cocoon.
- Health & Medicine
Three U.S tick species may trigger a mysterious red-meat allergy
This little-known allergy, known as alpha-gal syndrome, is potentially deadly. Here’s what we know about it — and how to avoid the tick bites that seem to cause it.
- Plants
For some trees, acting as lightning rods helps them survive
Being struck by lightning is usually bad. But for one tropical tree, a mighty zap can kill rivals and parasitic vines.
- Space
Is the International Space Station too clean?
Testing surfaces on board the space station revealed low microbial diversity, something that’s been linked to health problems elsewhere.
