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Multiferroic materials have attracted much interest because of their ability to control magnetism through the application of a voltage. This ability can be utilized to reduce the power required by electronic devices and to increase their speed

A new study finds that nearly one-in-four women with breast cancer have more than one surgery. Dr. Rache Simmons, chief of breast surgery at NY-Presbyterian Hospital/Weill Cornell Medical Center, talks to Gayle King and Erica Hill about how the number of surgeries could be reduced.

Lead sulfide (PbS) forms when an equal number of lead and sulfur atoms exchange electrons and bond together in cubic crystals. Now scientists have determined that a structure comprising 32 lead-sulfur pairs is the smallest possible cubic arrangement that exhibits the same coordination as bulk lead sulfide. (The coordination number is the number of nearest neighbors each atom in the crystal has.)

Sony introduced its first 4K digital film projector—4K refers to the number of horizontal pixels of screen resolution: approximately 4,000—at the recent Custom Electronic Design & Installation Association trade show (CEDIA). This is a big leap for Sony, since the current industry standard 1080p, which refers to the vertical resolution, ...

A new study reveals a dramatic increase in the number of sports-related knee injuries in young athletes over the last decade.

The activity of online communities does not grow in line with the number of users, according to a model recently published in the European Physical Journal B.

Growing cellulosic feedstocks on federally subsidized conservation land could balance the biofuels emissions equation to be completely carbon-neutral, a study suggests.

Since the turn of the 21st century, the number scientific papers published predominantly by Chinese researchers in any of the Nature journals has risen from six to nearly 150 according to a new index published by Nature on May 12. ( Scientific American is part of the Nature Publishing Group.) Campuses such as Tsinghua University and Peking University have become world-class institutions and the overall volume of scientific publications from China has risen from roughly 20,000 in 2000 to 130,000 in 2010, according to Thomson-Reuters.

The move toward smarter, lighter and more powerful electronics, computers and smartphones depends on whether transistor circuits, the building blocks of such devices, can process large amounts of information.

Rebecca Jarvis talks to Dr. Jennifer Ashton about the reasons for the rise in the number of measles cases in the U.S.

Federal officials say the number of people who have overdosed on prescription drugs is higher than by cocaine or heroine. Jim Axelrod reports on the growing epidemic and how the White House is responding.

Andrew Sieg talks about the number one concerns for those planning their retirement.