Earth
- Climate
Concerns about Earth’s fever
Burning fossil fuels is causing the planet to heat up, causing weather patterns to change, sea levels to rise and diseases to spread.
- Climate
Explainer: How scientists know Earth is warming
Scientists can calculate global temperatures, both present and past. Their findings show that the planet is rapidly heating up.
- Chemistry
Some 3-D printing can leave toxic taint
The ”ink” inside some 3-D printers can leave toxic traces. In tests, these chemicals harmed baby fish. But lighting could render the parts safer.
- Animals
Profile: A human touch for animals
Temple Grandin uses her own autism to understand how animals think. The animal scientist is famous for fostering the humane treatment of livestock.
- Genetics
Taking attendance with eDNA
Environmental DNA, or eDNA, tells biologists what species are in an area — even when they’re out of sight.
- Environment
Wildlife forensics turns to eDNA
Environmental DNA, or eDNA, tells biologists what species have been around — even when they’re out of sight or have temporarily moved on.
- Animals
Kangaroo farts: Not so ‘green’ after all?
Scientists had thought that kangaroo farts were environmentally friendly because they had little methane. That may not always be true.
- Environment
Table salt and shellfish can contain plastic
Bits of plastic have turned up in sea salts purchased in Chinese supermarkets. The finding suggests all sea salts may be similarly tainted. Shellfish too.
- Environment
Plastic trash travels up to Arctic waters
Bags, fishing rope and other tiny bits of plastic are now polluting Arctic waters, posing threats to area wildlife.
- Animals
Cool Jobs: Crazy about cows
Scientists are studying cows from one end to the other, with the goal not only of making the animals healthier but also of helping the environment.
- Fossils
Clues to the Great Dying
Millions of years ago, nearly all life on Earth vanished. Scientists are now starting to figure out what happened.
- Environment
Mealworms chow down on plastic
Gut bacteria in mealworms break down polystyrene. Feeding plastic to the worms, or the germs they carry, could be a way to get rid of these wastes.
