Science & Tech

Researchers Joan-Ramon Borrell and Jayashree Watal collected sales data for HIV/AIDS drugs in a sample of 34 low- and middle-income countries between 1995 and 1999 to assess the impact of…

Educators, policy-makers, law enforcement officials, and adolescent-development specialists came to the Radcliffe Institute for Advanced Study on May 21, 2002, for the National Conference on Lethal School Violence. The conference…

In his landmark 1845 essay, “Facundo, Civilización y Barbarie,” Argentinean author and statesman Domingo F. Sarmiento, the nation’s second president, sharply contrasted the forces at work on his young nation.…

As almost 60,000 federal, state and local public safety agencies plan to upgrade their communications systems in the wake of 9/11, Kennedy School of Government Assistant Professor of Public Policy…

Researchers for the Civil Rights Project at Harvard University, using U.S. census data from 2000, examined whether three major metropolitan areas — Boston, Chicago and San Diego — continue to…

Gamma-ray bursts have long puzzled astronomers. “The hunt for the source of gamma-ray bursts has been a detective story as challenging as any faced by the famous Lieutenant Columbo. We…

A new suite of Internet tools is boosting student-faculty interaction in an engrossing twist on traditional case-based teaching at Harvard Medical School. Called ICON, for “interactive case-based online network,” the…

When caught early through a Pap test, cervical cancer is almost 100 percent preventable, with treatment of precancers. Compared with current practice, shifting women currently getting annual conventional Pap tests…

Using unique survey data that they collected, researchers Taeku Lee and J. Eric Oliver presented the first examination of public attitudes towards obesity and obesity policy. They found that, contrary…

Led by Tracy Lieu, associate professor of ambulatory care and prevention at Harvard Pilgrim Health Care and Harvard Medical School, the researchers interviewed parents of children with asthma who were…

Only 19 percent of Mexican-American men in 1990 were upwardly mobile professionally, compared to 31 percent of women, and only nine percent of men worked in professional/technical jobs, compared to…

Phillip Dexter Woods is a dentist and an Army reservist. Until he graduated in June 2002, Woods was also a student in a master’s program at the Harvard School of…

In orbit around Earth, a satellite called the Chandra X-ray Observatory surveys the universe for sources of X-rays. Using Chandra, a scientist at the Harvard-Smithsonian Center for Astrophysics has observed…

Researchers from the Harvard School of Public Health and RAND surveyed 279 professors at 17 universities across the country who were prominent experts in managed care to find out their…

In 1996 the Harvard Center for Cancer Prevention reported that 50 percent of all cancer risk could be eliminated though a modified diet, increased exercise, limited alcohol intake and cessation…

CAMEO (Computer-Aided Management of Emergency Operations) is a suite of software programs used by professionals such as emergency management agency specialists, firefighters, hazardous materials teams, industrial hygienists and emergency department…

From the classroom to the cocktail party, opinions like “men are better at math,” “Asians make the best violinists,” or “women cannot be strong corporate leaders” are unpopular. Yet, says…

Astronomers believe the a mega-merger in the galaxy known as Arp 220 triggered the formation of huge numbers of new stars, sent shock waves rumbling through intergalactic space, and could…

A female in the United States is three times more likely to be murdered than a female in Canada, five times more likely to be murdered than a female in…

“The earthquake-hazard maps currently in use are based on the premise that the closer a building is to a large fault, the better designed it should be,” says Harvard earthquake…

About 44 percent of college undergraduates reported binge drinking at least once in the two weeks prior to being surveyed, according to findings in the 2001 College Alcohol Study, whose…

Professor Charles Lieber and his students have made wires whose thinness is measured in atoms instead of fractions of an inch. That allowed Lieber’s team to develop what is likely…

William Saturno was hot, frustrated, low on food, low on water, and low on patience when he sought shade in a trench dug by looters at the San Bartolo archaeological…

When the Sun is more active, it has bad effects on our planet. For instance, energy from solar eruptions changes the orbits of satellites, causing them to spiral back to…

Over the past few years, accumulated evidence from many scientists suggests that plants, animals, and insects share common elements in their innate skirmishes with potential pathogens. In the Feb. 28,…

Mira variable stars are named after the red giant star Mira (omicron Ceti) in the constellation Cetus the Whale. Variable stars brighten, then dim, then brighten again. While astronomers have…

Ragweed, which flourishes along roadsides and in disturbed habitats throughout North America, produces one of the most common allergens. A study by Harvard researchers found that ragweed grown in an…

“Over the last century, the U.S. has set the world standard for ensuring a reliable, relatively safe drinking water supply to the general public,” said Ronnie B. Levin, a research…

In the first analysis of patterns of direct-to-consumer advertising before and after 1997 guidelines issued by the Food and Drug Administration, researchers at the Harvard School of Public Health, Harvard…

In a new study, Lachlan Forrow, director of ethics support services at Beth Israel Deaconess Medical Center and associate professor of medicine at Harvard Medical School. and his co-authors used…