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AnimalsHow dingoes got down under
DNA analysis suggests that Australia got its famous dingoes from a very few dogs brought along with people fanning out from East Asia some 5,000 years ago.
By Susan Milius -
TechA new deep-sea submersible
Scientists have announced a 4-year, $21.6-million design-and-construction effort to replace the aging research submersible Alvin.
By Sid Perkins -
PlantsSmokey the Gardener
Wildfire smoke by itself, without help from heat, can trigger germination in certain seeds, but just what the vital compound in that smoke might be has kept biologists busy for years.
By Susan Milius -
19454
I suggest that world maps with countries colored by some statistical feature often would be more useful if done on a cartogram that is a compromise between population and size of countries, rather than on a map with a simple Mercator projection.