Earth and Human Activity
- Environment
Alien invasions
Around the world, plants, animals, fungi, and other life forms are ending up in places where they don't belong.
- Environment
An ocean view’s downside
Population growth in coastal areas could threaten shoreline ecosystems.
- Tech
Drawing energy out of wastewater
Microbes in a fuel cell can generate electricity from plant and animal waste in water.
- Environment
A vulture’s hidden enemy
Vultures may be getting a deadly dose of medicine from the carcasses they feed upon.
- Plants
City trees beat country trees
Cottonwood trees grow better in New York City than in rural places around the state.
- Humans
Digging for ancient DNA
Soil has yielded identifiable DNA of animals and plants that lived up to 400,000 years ago.
- Environment
Cliff snails and rock climbers
Rock climbers can accidentally wipe out communities of cliff snails.
