1,393 results
- Ecosystems
Plight of the Iguanas: Hidden die-off followed Galápagos spill
Residues of oil spilled in the Galapágos Islands in January 2001 may have caused a 60 percent decline in one island's colony of marine iguanas.
- Agriculture
Downtown Fisheries?
Advances may make fish farming a healthy prospect, even for inner cities.
- Humans
Treaty Nears on Gene-Altered Exports
In an effort to help preserve biodiversity, negotiators from 130 nations crafted rules of conduct for international trade in living, genetically engineered organisms.
- Earth
Climate’s Long-Lost Twin
New geological evidence suggests that humans have started exploiting fossil fuels and altering Earth's atmosphere at precisely the moment when greenhouse gases could do the most damage to climate.
- Anthropology
Southern Reindeer Folk
Western scientists make their first expeditions to Mongolia's Tsaatan people, herders who preserve the old ways at the southernmost rim of reindeer territory.
- Earth
New way of gauging reservoir evaporation
Scientists have developed a new way to estimate the evaporation of water from large reservoirs that, if adopted, would replace a labor-intensive procedure based on decades-old technology.
- Ecosystems
Wanted: Reef Cleaners
Nearly 18 years after a near total die-off of algae-grazing urchins in the Caribbean, those herbivores are poised for a comeback—which could help save area corals.
- Earth
It’s bottoms up for iron at sea’s surface
Sediments drilled from the seafloor off Antarctica suggest that the dissolved iron in surface waters that fuels much of the region's biological productivity comes from upwelling deep water currents, not from dust blowing off the continents.
- Chemistry
Molecules Leave Their Mark
A material etched with tiny, carefully shaped pores can act like an artificial enzyme, cell membrane, or receptor.
- Ecosystems
Hurricanes’ full havoc yet to be felt
When Hurricanes Dennis, Floyd, and Irene pummelled North Carolina in the fall of 1999, they delivered a three-punch sequence that may, for years to come, disrupt fishing in the Atlantic Ocean.
- Earth
Farmers could help heal Gulf of Mexico
Farm-derived nutrients in the Mississippi River that create a huge dead zone in the Gulf of Mexico could probably be substantially reduced if farmers simply used a little less fertilizer.
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Science News of the Year 2002
A review of important scientific achievements reported in Science News during the year 2002.
