8,309 results
8,309 results for: Fish
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- Chemistry
Burned by Flame Retardants?
One particular class of flame retardants—polybrominated diphenyl ethers—is accumulating at alarming rates in the environment, taints human breast milk, and has toxic effects similar to the now-banned PCBs.
- Earth
Tough Choices
Federal programs to preserve water in streams during droughts have prompted lawsuits and new pressures on endangered species and the law that protects them.
- Math
Knot Possible
Knot theorists are getting closer to their goal of developing practical procedures for distinguishing knotted curves from unknotted ones.
- Paleontology
Turn Your Head and Roar
The analysis of fossils that preserve evidence of diseases that appear to be similar or identical to afflictions that strike modern animals, including humans, could help scientists better grasp the causes and courses of today's ailments.
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Science News of the Year 2001
A review of important scientific achievements reported in Science News during the year 2001.
- Earth
Hormones: Here’s the Beef
Runoff of the hormones excreted by steroid-treated livestock could subtly harm aquatic life.
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Biological Dark Matter
The discovery that some genes encode RNA strands instead of proteins has surprised biologists.
- Anthropology
A Fair Share of the Pie
A cross-cultural project suggests that people everywhere divvy up food and make other economic deals based on social concepts of fairness, not individual self-interest.
- Materials Science
Materials Take Wing
Materials scientists are finding new uses for the billions of pounds of feathers produced each year by the poultry industry.
- Earth
Avalanche!
Laboratory studies of how snow crystals change shape under fluctuating environmental conditions and computer analyses that match the patterns of past avalanches with detailed meteorological data are helping scientists uncover the secrets of avalanches.
- Tech
Taming High-Tech Particles
Researchers are beginning to study whether nanomaterials could have unintended negative consequences in the human body or the environment.
