8,240 results
8,240 results for: Fish
- Anthropology
Maize may have fueled ancient Andean civilization
A chemical analysis of skeletons from Peru’s Andes Mountains suggests that cultivation of key crop made building a prehistoric civilization possible.
-
All kinds of tired
Donkeys sleep about three out of each 24 hours. Certain reef fish spend the night moving their fins as if swimming in their sleep. Some biologists argue that all animals sleep in some form or another. But identifying sleep can get complicated. Insects have brain architecture so different from humans’, for example, that electrophysiological recordings […]
-
Fish Don’t Like DC’s Water
Chloramine and fish shouldn't mix.
- Life
Step-by-step Evolution
Hard to find, but very fruitful when found, transitional fossils fill in the gaps in the paleontological record.
-
Humans wonder, anybody home?
Brain structure and circuitry offer clues to consciousness in nonmammals.
- Chemistry
Changing charges make for squid rainbow
Study finds how proteins self assemble in the cells of Loligo squid to reflect different wavelengths of light
- Animals
Basking sharks head south for winter
Satellite-tagging data suggest that basking sharks migrate south to the Caribbean in winter.
- Chemistry
2009 Science News of the Year: Molecules
Tangles of collagen IV chains link at globules via sulfur-nitrogen bonding (illustrated above). Credit: Courtesy of Science/AAAS New bond in the basementBasements house hidden treasures — including a chemical bond never before seen in living things. Scientists have discovered that collagen fibers in the basement membrane — a tough, structural layer of cells that surrounds […]
- Earth
A fresh look at Mount St. Helens
Nearly 30 years after the peak’s major eruption, recovery has just begun.
- Animals
Extensive toolkits give chimps a taste of honey
Chimps living in central Africa’s dense forests make and use complex sets of tools to gather honey from beehives, further narrowing the gap between the way humans and chimps use tools.
- Earth
The Costs of Meat and Fish
The purchase price is often but a small part of the true cost of many animal products in the diet.
-
Think like a scientist
A class of curious sixth-graders arguing over moist, mucky jars may represent the future of science education.
