Earth
Scientists Say: Fjord
These dramatic, steep-sided sea inlets form when glaciers carve deep channels from the terrain.
Earth
More Stories in Earth
- Oceans
Big waves shape this surfer-scientist’s research and life
Professor and pro surfer Cliff Kapono studies human-ocean interactions through the lens of a surfer, from molecular to macro scales.
- Microbes
Fuzzy microbes may fuel cows’ methane burps
Production of this potent greenhouse gas is triggered by a newfound feature of these microbes — one with a funny name: hydrogenobody.
- Earth
Earth’s crust under Africa is thinning in a way never seen before
Africa’s Turkana Rift Zone has been caught in the act of “necking" — a key point in breakup of continental crust.
- Agriculture
Scientists Say: Corn Sweat
Cornfields release moisture into the air — or “sweat” — a couple of ways. One is evaporation. The other is transpiration.
- Animals
Giant school bus–sized octopuses may have once ruled the oceans
Some of these predators were as long as whales. Roaming the seas more than 72 million years ago, the octopuses appear to have been the largest invertebrates ever known.
- Environment
Experiment: Remove microplastics from water with yeast
Learn how yeast can be used to remove microplastics from contaminated water with this experiment.
- Earth
Analyze This: A rocket reentry spiked metal levels in the atmosphere
Detection of lithium from a SpaceX rocket reentering the atmosphere offers new evidence that space debris could harm the ozone layer.
- Earth
Scientists Say: Snow line
On Earth, this line marks the edge of snow-covered ground. In space, it marks a spot where a certain molecule might freeze.
- Earth
Could a storm last forever?
Thunderstorms help fix imbalances found in our atmosphere. For constant storms, those imbalances would have to persist.
