A new National Science Foundation report finds the number of US science and engineering articles in major peer-reviewed journals flattened in the 1990s, after more than two decades of growth, but US influence in world science and technology remains strong.

Weeds are winning the battle when it comes to surviving in the wild with foliage eating insects preferring the taste of native plants, according to a study by Queensland University of Technology. Eve White, from QUT's School of Natural Resource Sciences, has been investigating the effect weeds can have on native plants especially when foliage eating insects, also known as herbivores, are involved.

The ancient gray wolves of Alaska became extinct some 12,000 years ago, and the wolves in Alaska today are not their descendents but a different subspecies, an international team of scientists reports.

A new study by researchers at the Massachusetts General Hospital Center for Mental Health and Media dispels myths and uncovers surprises about young teens and violent video and computer games. The study is the first to ask middle-school youth about the video and computer games they play and to analyze how many of those titles are rated M -- for ages 17 and up. It is also the first to ask children why they play video games.

After six to nine months of abstinence from alcohol, recovering alcoholics who were also chronic smokers showed a significantly lower rate of improvement in tests of memory, reasoning, judgment and visual/spatial coordination than non-smoking recovering alcoholics in a study conducted by researchers at the San Francisco VA Medical Center.

A new study by researchers at Rensselaer Polytechnic Institute, AT&T Labs and the University of Nevada, Reno, suggests that an Internet where all traffic is treated identically would require significantly more capacity than one in which differentiated services are offered.

By applying sophisticated genetic analysis to samples of a year's worth baby poop, researchers have developed a detailed picture of how an astonishing number of bacteria come and go in the intestinal tract during a child's first year of life.