Earth
We summarize the week's scientific breakthroughs every Thursday.
- Agriculture
Plastic vs. Plants: Mulch method changes tomato’s gene activity
A suite of at least 10 genes in a tomato plant behaves differently depending on the farmer's mulch-and-fertilizer routine.
- Earth
Just a Tad Is Too Much: Less is worse for tadpoles exposed to chemicals
The herbicide atrazine is more likely to kill developing amphibians when it is highly diluted than when it's much more concentrated in aquatic environments.
- Earth
Warmer climate, decreased rice yield
Agricultural data gathered over a dozen years at a Philippines rice paddy suggest that climate changes brought about by global warming could significantly diminish rice yields.
- Agriculture
A Maize-ing Travels
Corn, an American native, has taken root the world over and is becoming increasingly important to agriculture in nations beyond the West.
- Earth
Sky Lights
Devoted to atmospheric optics, this Web site offers beautifully illustrated explanations of spectacular phenomena ranging from rainbows to ice haloes. Created by physicist Les Cowley, it features amazing images, along with explanations of how the imaged effects were created by nature. The ice halo section offers downloadable software for simulating various types of halos. Go […]
- Earth
Sprawl’s aquatic pollution
A new study links the traffic associated with urban sprawl to an unexpectedly large rain of air pollutants entering local waters.
- Earth
New database describes all the marbles
Analyses of the isotope ratios of carbon and oxygen in hundreds of samples of Greek marble may help researchers identify the quarries that supplied the stone for some of Europe's most famous statues and architecture.
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- Earth
Long dry spell
Falling reservoir levels in the western United States are just one symptom that the region is suffering through a drought that may be the worst to strike in the past 500 years.
- Earth
Cost of protecting the oceans
Operating an extensive global network of marine parks in which fishing and habitat-stressing activities are restricted would probably be more affordable for governments than continuing to subsidize struggling fisheries at current levels.
- Earth
Blueberry Hills: Utah nodules resemble some found on Mars
Analyses of small iron oxide nodules found within certain sandstones of the U.S. Southwest could shed light on how similar spherules may have formed on Mars.
- Agriculture
Coming Soon—Spud Lite
A new variety of baking potato has about 25 percent fewer calories and 30 percent fewer carbohydrates per unit weight than the typical brown-skinned Idaho potato.
