The Eastside Bicycle Club on a 35 mile Saturday evening ride with stops for tacos. Carlos Morales hide caption

itoggle caption Carlos Morales

Despite losing his sense of taste and smell to Alzheimer's disease, Greg O'Brien says grilling supper on the back deck with his son on a summer evening is still fun. Sam Broun/Courtesy of Greg O'Brien hide caption

itoggle caption Sam Broun/Courtesy of Greg O'Brien

"It now pays to get a lot of pleasure out of a little bit of sugar," says Danielle Reed, a scientist at the Monell Chemical Senses Center. Ryan Kellman/NPR hide caption

itoggle caption Ryan Kellman/NPR

A daily habit of sugary-sweetened drinks can boost your risk of developing the disease — even if you're not overweight. Ryan Kellman/NPR hide caption

itoggle caption Ryan Kellman/NPR

The hard part of making an egg replacement product is coming up with a substitute for the protein in egg whites. Wilson Hui/Flickr hide caption

itoggle caption Wilson Hui/Flickr

For 3-D food printers, chocolate is a good material to start with, because it's fairly simple to make it liquid inside the printer cartridge and solid once it drops out. Courtesy of Smart Gastronomy Lab, University of Liège hide caption

itoggle caption Courtesy of Smart Gastronomy Lab, University of Liège
Maria Fabrizio for NPR

Cottage cheese peaked in the early 1970s, when the average American ate about 5 pounds of it per year, according to the U.S. Department of Agriculture. iStockphoto hide caption

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Lorenzo Gritti for NPR

Germany's Alexandra Popp and the U.S.'s Morgan Brian collide during a World Cup semifinal in June. Both were injured, but continued to play. Brad Smith//ISI/Corbis hide caption

itoggle caption Brad Smith//ISI/Corbis

Scientists have documented that beneficial microorganisms play a critical role in how our bodies function. And it's becoming clear that the influence goes beyond the gut — researchers are turning their attention to our emotional health. iStockphoto hide caption

itoggle caption iStockphoto

Tamara Johnson is a new Outdoor Afro leader in Atlanta. Shereen Marisol Meraji/NPR hide caption

itoggle caption Shereen Marisol Meraji/NPR

What to Eat When You're Pregnant by Dr. Nicole Avena guides women through the stages of pregnancy with suggestions for nutritious foods that support the baby's development. Courtesy of Ten Speed Press hide caption

itoggle caption Courtesy of Ten Speed Press