With our design, gingerbread families everywhere can enjoy the holidays without having to worry about their roofs caving in. Morgan Walker/NPR hide caption

A celebrity's efforts to educate the public about health risk may have very limited effects. Evan Agostini/AP hide caption

The deconstructed, hexagonal salad nicoise: perfect for all your gourmand geek friends. Courtesy of Chris-Rachel Oseland hide caption

A simulated patient at the University of Malaya makes use of different materials to mimic the look and feel of human tissue. Courtesy of Vicknes Waran hide caption

Developing a vaccine for meningitis B was tricky. Even the existing vaccine doesn't protect against all B strains. Josef Muellek/iStockphoto.com hide caption

The Ivy League school has begun vaccinating nearly 6,000 students to try to stop an outbreak of type B meningitis in an unusual federal government-endorsed administration of a drug not generally approved for use in the U.S. Mel Evans/AP hide caption

Students at Northeast Elementary Magnet, in Danville, Ill., play around. Fewer than 1 in 5 parents polled said their kids were getting physical education daily. Seth Perlman/AP hide caption

Administrators at University of California, Santa Barbara are encouraging fraternities and sororities to hold off on parties. Damian Gadal/Flickr hide caption

A 3-D printed model of the canister. Courtesy of NASA hide caption

How to make dead fish look attractive? That's the challenge New York-based duo Shimon and Tammar Rothstein faced when they were hired to do the photography for famed French chef Eric Ripert's book On the Line. Photos by Shimon and Tammar, Courtesy of Shimon and Tammar hide caption

Hormones clearly influence a women's health, but figuring out how is a tricky business. Andrew Ostrovsky/iStockphoto.com hide caption

Microbiologist Christina Agapakis (left) and artist Sissel Tolass show off the cheese they made with bacteria from human skin. The project was part of Agapakis' graduate thesis at Harvard Medical School. Courtesy of Grow Your Own ... Life After Nature at Science Gallery at Trinity College Dublin hide caption

There's more than one reason to aim for a good night's sleep. Charles Taylor/iStockphoto.com hide caption

Six students and a visitor have fallen ill with meningitis at Princeton University in New Jersey, shown here in August 2013. All have recovered or are recovering, officials said. Bloomberg via Getty Images hide caption