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Tag: "debate" at biology news

Woman's Day and For Womens of Science

...recognized as an important international forum for debate on scientific, social, economic and cultural issues affecting the human environment. Wiener said the Madison Declaration summarizes a year-long effort by many of the world's leading mercury scientists, assembled into four expert panels, to review...

New report: Explosive growth changes salmon industry

...on. A fundamental point of the report is that the debate should not be about wild versus farmed, but whether each method of production is being done right," says Dr. Gunnar Knapp, professor of economics at the University of Alaska, Anchorage, and one of the study's authors. The report found that the ra...

Researchers learn what sparks plant growth

...for Biological Studies, puts to rest a century-old debate over which tissue system in plants drives and rest...ercial agriculture. "It’s been a matter of some debate for a very long time if one of these tissue layers controls plant growth or if all three layers have...

Allergy to hair dye increasing

...hildren have also recently been reported. Wider debate on the safety and composition of hair dyes is overdue, say the authors. Cultural and commercial pressures to dye hair are putting people at risk and increasing the burden on health services. It may not be easy to reverse these trends, however, as ...

Using nanomagnets to enhance medical imaging

...ul and easier to perform. The new paper resolves a debate in the literature by showing that iron-containing magnets just two nanometers wide, dissolved in water, do provide reasonable contrast in non-clinical MRI images—as long as the nanomagnet concentration is below a certain threshold. (A nanometer is on...

Paper challenges 1491 Amazonian population theories

There's a scholarly debate brewing about whether pre-Columbian Amazonian popu...gy. The findings of Bush’s research may rekindle a debate has major implications for land use and policy-setting in the rain forest. "We don't contradict t...

Tundra disappearing at rapid rate

... "These results are very relevant to the current debate surrounding climate change because they provide real evidence that vegetation change will be quite considerable in response to future warming, potentially transforming tundra landscapes into open spruce woodlands," said Danby, who will also be partic...

Dirty snow may warm Arctic as much as greenhouse gases

The global warming debate has focused on carbon dioxide emissions, but scientists at UC Irvine have determined that a lesser-known mechanism -- dirty snow -- can explain one-third or more of the Arctic warming primarily attributed to greenhouse gases. Snow becomes dirty when...

Nicotine rush hinges on sugar in neurons

...’s role, are probably incomplete, Chen said. The debate over how signals pass from the outside of a cell to the inside is a long-standing one. Some researchers had suggested that when a chemical such as nicotine binds to an ion channel protein on the cell surface, the protein starts a “conformational wa...

St. Jude study solves mystery of mammalian ears

... the response in non-mammals A 30-year scientific debate over how specialized cells in the inner ear amplif...s triggers this contraction. And that is where the debate begins. While both mammals and non-mammals have cilia on their outer hair cells, only mammalian out...

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