Become a fan on Facebook Follow us on Twitter USDA Blog Feed Watch USDA videos on YouTube Subscribe to receive e-mail updates View USDA Photos on Flickr Subscribe to RSS Feeds

Category: Science

UTEP Researchers Take a Different Path to Tackle International Drought Issues

UTEP text and the state of Texas layered onto an image of a river

Scientists from the University of Texas at El Paso (UTEP) are helping policy makers and residents manage their ever-shrinking water resources using new and different approaches. (Image by Stephanie Engle)

This post is part of the Science Tuesday feature series on the USDA blog. Check back each week as we showcase stories and news from USDA’s rich science and research portfolio.

Scientists from the University of Texas at El Paso (UTEP) are working with stakeholders to determine the course their research will take.  The result, they say, is better science that is more useful to end users – and the scientists learn a lot, too.

Rather than have their own science-based questions direct their research, Dr. Josiah Heyman and his research partner Dr. William Hargrove will let stakeholders – the actual users of their science – point the way.  According to Heyman, this “participatory approach” is science for the public’s sake, not for the scientists’ sake.  The two lead a multi-institutional, multi-national project that is tackling drought-driven water supply issues in the Southwest. Read more »

Nothing Fishy about Probiotics

Researchers Dr. Kenneth Cain, University of Idaho, and Dr. Douglas Call, Washington State University with fish in a net

Researchers Dr. Kenneth Cain, University of Idaho, and Dr. Douglas Call, Washington State University, have developed a probiotic that fights Coldwater Disease in trout and salmon. They found the probiotic bacteria in the fish’s own gut. (Photo by Shelly Hanks, Washington State University)

After searching 15 years for a way to combat a devastating disease among salmonids (salmon and trout), researchers at Washington State University (WSU) and the University of Idaho (UI) found an answer inside the fish itself.

Dr. Kenneth Cain’s team at UI’s Aquaculture Research Institute cultured a bacteria from the fish’s gut (designated Enterobacter C6-6) and found that it inhibited the growth of Flavobacterium psychrophilum, the organism that causes Coldwater Disease.

Cain and Dr. Douglas Call, his WSU-based research partner since 2001, found that by adding C6-6 to fish feed as a probiotic they could limit the damage caused by Coldwater Disease – but they’re not quite sure why.  “We know that C6-6 produces a toxin,” Call said.  “This toxin kills the bacteria although we’re trying to get more funding to figure out how this works in the fish itself.” Read more »

Rural Community Development Spurs Growth

This post is part of the Science Tuesday feature series on the USDA blog. Check back each week as we showcase stories and news from USDA’s rich science and research portfolio.

Though many of us don’t see farmers every day, we certainly see and benefit from the products of their farms every day. Rural America makes many cameos in urban and suburban life, from the array of foods we eat to the sweaters our Olympic and sports champions wear and the batteries that power our cars. A recent White House blog states that although Rural America provides the vast majority of food and energy benefits for the rest of the country, too many Americans in rural areas are not sharing in the nation’s economic growth. Infrastructure development, technological advancement and school improvement can contribute significantly to rural and community development strategies that could spur economic growth. USDA is committed to spreading the Nation’s prosperity to rural areas, and has a long history of funding programs aimed at promoting rural America. Read more »

Discovery Could Rekindle Interest in a USDA Trailblazer

Fruits and vegetables in a basket

David Fairchild was instrumental in establishing gardens nationwide to screen plants from overseas with potential for improving U.S. diets, gardens, and landscapes. ARS photo by Keith Weller.

This post is part of the Science Tuesday feature series on the USDA blog. Check back each week as we showcase stories and news from USDA’s rich science and research portfolio.

Bountiful harvests don’t magically appear on store shelves and supermarkets. USDA scientists strive to make sure that the variety of meats, fruits, vegetables and grains we enjoy are hardy enough to withstand insects, diseases, droughts and other natural threats familiar to anyone with a garden or farm.

David Fairchild, a USDA scientist, was a key part of that effort. Fairchild collected plants from all over the world so they could be studied and bred. He organized the USDA’s Office of Foreign Seed and Plant Introduction and served as its chairman for more than 20 years. He is credited with introducing about 30,000 plant species and variations into the United States, and he was instrumental in establishing gardens throughout the United States to screen plants with potential for improving our diets, gardens and landscapes. Read more »

Pollinator Week Brings Focus on Honey Bee Health

A bumblebee on top of a flower

Pollination by honey bees alone adds more than $15 billion in value to agricultural crops each year. It is possible that pesticide residue exposure may play an indirect role in pollinator decline, which is why analyzing residue continues to be an important part of the puzzle. USDA Photo Courtesy of Teresa Prendusi.

This post is part of the Science Tuesday feature series on the USDA blog. Check back each week as we showcase stories and news from USDA’s rich science and research portfolio.

The buzz of a honey bee and the flutter of a butterfly bring happy thoughts of beautiful gardens. These pollinators are also hard at work providing vital services that are critical to our national and global food supplies. Honey bees to native bees and birds, bats and butterflies help ensure the production of plentiful fruits, nuts, and vegetables. Pollination by honey bees alone adds more than $15 billion in value to agricultural crops each year. Unfortunately, the number of pollinators has been declining in recent years due to many factors. Read more »

Moving Back to Rural America: Why Some Return Home and What Difference It Makes

People eating together

A recent Economic Research Service report explores reasons for returning to live in remote rural areas and the impacts return migrants make on their home communities. Photo by John Cromartie.

Population loss persists in rural America, especially in more remote areas with limited scenic amenities. Communities in these areas are attuned to the annual out-migration of their “best and brightest” high school graduates, typically a third or more of each class.

But stemming rural population loss–and spurring economic development–may depend less on retaining young adults after high school and more on attracting former residents some years later. Researchers at the University of Montana and USDA’s Economic Research Service visited 21 rural communities during 2008 and 2009 and conducted 300 interviews at high school reunions. The aim was to better understand what motivates return migration and the barriers to such moves. Reunions allowed for simultaneous interviews with both return migrants and nonreturn migrants. Read more »