All Stories by Sarah Zielinski
- Earth
Explainer: CO2 and other greenhouse gases
Carbon dioxide is just one of several chemicals that contribute to the greenhouse effect. Nitrous oxide, methane and CFCs are other big contributors.
- Climate
Analyze This: How hot will it get?
Temperatures are rising because of human-caused climate change. But some places will get hot faster than others.
- Earth
Nine big stories you may have missed this summer
We hope you enjoyed time off from school this summer. But you may have missed some scientific developments, from mega-eruptions to Martian lakes.
- Genetics
Toxic toads pose threat to Madagascar’s predators
The Asian common toad, an invasive species in Madagascar, produces a chemical in its skin that’s probably toxic to most of the island’s predators.
- Animals
Deep-sea expedition led researchers to doomed octopus nursery
The ill-fated octopods may be a sign that a healthy population is hiding nearby.
- Plants
Venus flytraps tend not to eat their pollinators
A first-ever study of what pollinates a Venus flytrap finds little overlap between the critters that serve as pollinators and those that are prey.
- Climate
Revisit 2017’s most important stories
The year was full of major scientific events and discoveries, from the finding of a new continent to a solar eclipse witnessed by millions.
- Animals
Humongous land crab dines on remote-island seabirds
A biologist has documented a coconut crab taking out a seabird as part of a study of the huge invertebrates living on an Indian Ocean archipelago.
- Animals
Alligators aren’t just freshwater animals
It’s time to change the textbooks. Alligators have been seen in salty waters snacking on sharks.
- Plants
Earthworm invaders may be stressing out some maples
Worms are great for soil when ecosystems have evolved with them. But in earthworm-free places, like parts of the U.S. Upper Midwest, they can cause problems for plants and animals.
- Tech
Is weather control a dream or nightmare?
Weather control is largely fiction for now, although people are unintentionally changing their weather. And that might not be a good thing.
- Science & Society
Explainer: Weather and weather prediction
The sun and Earth combine to create the planet’s weather systems. And science is getting good at predicting what they’ll do.
