8,278 results
8,278 results for: Fish
- Humans
Russia’s nuclear-safety issues spread
A leading Russian environmentalist, Aleksandr Nikitin, says Russia's problems with nuclear-waste management should concern people beyond that country's borders.
- Animals
Strange Y chromosome makes supermom mice
An otherwise rare system of sex determination has evolved independently at least six times in one genus of South American mice.
- Earth
Aquatic Non-Scents
Many common pollutants appear to be jeopardizing the survival of fish and other aquatic species by blunting their sense of smell.
- Animals
What’s Going on Down There?
In a 10-year, global effort, researchers exploring the unknowns of marine life have found bizarre fish, living-fossil shrimp, giant microbes, and a lot of other new neighbors.
- Earth
Traces of Trouble
Scientists and engineers are investigating how to stem the flow of naturally-occurring and synthetic estrogens that, when released from waste water treatment plants and livestock operations, can harm aquatic life.
- Animals
Honey, I Ate the Kids
Some of the most devoted parents in the animal kingdom routinely devour some of their own children.
- Earth
Wildfire, Walleyes, and Wine
An international panel's latest report on the impacts of climate change highlights an overlooked need: preparing for droughts, floods, heat waves, and other disasters.
- Earth
Hammered Saws
Sawfish, shark relatives that almost went extinct several decades ago, have now gained protection by international treaty.
- Humans
The Wealth of Nations
Analysis of the connections among different types of economic activities explains why some countries succeed, and others fail, in diversifying their economies.
- Earth
Invasive, Indeed
Some people may live lightly on the land, but the demands of the world's population as a whole consume nearly a quarter of Earth's total biological productivity.
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Stem Cells from Virgin Eggs
Making embryonic stem cells from unfertilized eggs might bypass many ethical concerns, but important scientific hurdles remain.
- Paleontology
Back from the Dead?
The long-term disappearance of creatures from the fossil record and their later reemergence can provide insights into ancient environmental conditions and the trustworthiness of the fossil record itself.
