Yellowtail jack (Seriola lalandi) at HSWRI in San Diego. Courtesy of HSWRI hide caption

itoggle caption Courtesy of HSWRI
Gary Waters/Ikon Images/Getty Images

Copenhagen, Denmark - October 11, 2014: fruits and vegetables stalls at market in Copenhagen. Customers are choosing goods for themselves. These stalls is located between market halls where one can find over 60 stands with everything from fresh fish and meat, as well as small places to get a quick bite. It is located near Nørreport metro station. iStockphoto hide caption

itoggle caption iStockphoto

People who don't get enough sleep show higher levels of inflammation, say scientists who study colds. Smoking, chronic stress and lack of exercise can make you more susceptible to the viruses, too. Frederic Cirou/PhotoAlto/Corbis hide caption

itoggle caption Frederic Cirou/PhotoAlto/Corbis

"Probably females are better at accessing olfactory memories, but I don't know why," says Robert Bath, a wine and beverage studies professor at the Culinary Institute of America in Napa Valley. "Maybe men don't pay as much attention?" Maria Fabrizio for NPR hide caption

itoggle caption Maria Fabrizio for NPR

Detweiler was surprised to learn she wasn't eating enough to fuel her training regimen. As an athlete, doctors and nutritionists say, she needed more food variety and more calories — three snacks daily, as well as bigger meals. Courtesy of Nationwide Children's Hospital hide caption

itoggle caption Courtesy of Nationwide Children's Hospital

Delegates took their seats during the plenary session at the Bonn climate change conference on March 10, 2014. Negotiations resume this week; by the end of the year, the U.N. hopes to have forged a new global agreement. UNclimatechange/Flickr hide caption

itoggle caption UNclimatechange/Flickr

President Obama is renaming Alaska's Mount McKinley in an effort to strengthen cooperation between the government and Alaska Native tribes. The peak is returning to its traditional name, Denali. Al Grillo/AP hide caption

itoggle caption Al Grillo/AP