Ecosystems: Interactions, Energy, and Dynamics
- Archaeology
Skeletons point to world’s oldest known shark attacks
The newfound remains came from people who had lived thousands of years ago in Peru and Japan, half a world apart.
- Animals
Tiny animals survive 24,000 years in suspended animation
Tiny bdelloid rotifers awake from a 24,000-year slumber when freed from the Arctic permafrost.
- Life
Some pikas survive winter by eating yak poop
Pikas endure bone-chilling cold on the Tibetan Plateau by using little energy and fueling up on yak poop.
- Environment
Wildfire smoke seeds the air with potentially dangerous microbes
Studies now show that most wildfires don’t kill microbes. That’s fueling worries about what risks these smoke hitchhikers might pose to people.
- Microbes
Explainer: Virus variants and strains
When viruses become more infectious or better able to survive the body’s immune system, they become a type of variant known as a strain.
- Health & Medicine
What is the role of in-person classes in COVID-19’s spread?
New data haven’t shown that schools pose a big coronavirus risk to kids and their families, despite fears that they might.
- Health & Medicine
COVID-19 can infect kids — and risks sickening some severely
Not all are equally impacted. Even among supposedly low risk groups, concerns intensify as the super-contagious delta variant sweeps across the globe.
- Earth
Stores and malls buy into ponds and rain gardens for flood control
An extra bonus: These rainy-day ponds clean up that dirty water running off parking lots.
- Life
Even raised by people, wolves don’t tune into you like your dog
Dog puppies outpace wolf pups at engaging with humans, even with less exposure to people, supporting the idea that domestication changed dogs’ brains.
- Animals
Uncovering secrets of the glasswing butterfly’s see-through wings
The tricks of its transparency include sparse, spindly scales and a waxy coated membrane.
- Earth
Let’s learn about Antarctica
This continent is dry, windy and very cold — and home to penguins, ice and a lot of scientific research.
- Animals
Some beetles walk along the underside of the water’s surface
Their upside-down scurrying is a rare method of getting around.
