Science & Tech

Children and adolescents are consuming more television than ever before. The average 8- to 18-year-old spends nearly seven hours each day involved with some form of media. Kids are also…

About 25 million people are infected with AIDS in Africa and just 25,000, or one in 1,000, are receiving antiretroviral drug treatment. Patents for anti-AIDS drugs have come under fire…

In 1999, Harvard researchers used laser pulses to etch the surface of silicon, the most common substance used in electronic devices. By accident, they created a material that efficiently traps…

Managers of “green” mutual investment funds seek to invest their clients’ money in socially responsible and environmentally friendly companies. But those managers, and individual investors, are often hampered by a…

It’s one of the universe’s most enduring mysteries — what comprises the “dark matter” that scientists believe most of the universe is made of, but which humans have been unable…

Astronomers believe that most of the matter in the universe is invisible to us — so called “dark matter.” The nature of this dark matter is not known, but most…

The brightening of Nova Aquila was first detected by optical astronomers in December 1999. Although this star is at a distance of more than 6,000 light years, it could be…

A pulsar is a rapidly spinning neutron star that emits massive amounts of radiation in rapid pulses that occur at regular intervals. A neutron star is created when the central…

Using the Chandra X-ray Observatory to learn more about pulsars, A team led by Stephen Murray of the Harvard-Smithsonian Center for Astrophysics in Cambridge, Mass., studied 3C58, the remains of…

The Rosette Nebula is a nursery for stars. For hundreds of years, astronomers have been looking at this star-forming region and wondering about the forces at work there. Now, scientists…

Scientists who study how our solar system formed have been hard pressed to explain the presence of extremely unusual chemical isotopes found in ancient meteoroids orbiting the Earth. The isotopes…

Scientists looking at X-rays from a binary star system in the M15 globular star cluster have long been puzzled by the star system, which seemed to have two different sets…

Researchers using the Chandra X-ray Observatory have, for the first time, observed the black hole at the center of our galaxy devouring material.

It’s long been said that “an ounce of prevention is worth a pound of cure.” A new study from the Harvard Center for Risk Analysis applies the principle to treating…

Harvard Graduate School of Education (HGSE) researchers are studying the future of teaching through the Project on the Next Generation of Teachers. With the number of students growing across the…

Samantha Power, executive director of the John F. Kennedy School’s Carr Center for Human Rights Policy, conducted a three-year-long investigation into what the United States government knew, didn’t know, and…

Eighteen-year-old Kevin Chan, a member of the Harvard College Class of 2004, used a supercomputer to discover a novel arrangement of atoms that had been missed by other scientists studying…

In 1995, experimenters made nine or 10 atoms of antihydrogen at the Center for European Nuclear Research in Geneva, Switzerland. Since then, researchers have sought a method for making more…

As more heart patients receive pacemakers and implantable cardioverter-defibrillator (ICD) generators, more recalls are being issued for the devices, according to a study led by a Harvard Medical School instructor…

A recent study by Harvard School of Public Health scientists examined how often adults placed children in the rear of vehicles, and what factors affected that placement. The study, led…

Parents in Dayton, Ohio, reported increased satisfaction after they moved their children to private schools. A private scholarship program sponsored by Parents Advancing Choice in Education (PACE), a non-profit organization in Dayton, helps low-income families afford private education.

The incentive to switch health plans is usually a lower cost to the patient. So if parents of chronically ill children want to retain their old health plans instead of…

If a video game is rated “E” for “suitable for everyone,” that is supposed to be a signal to parents that the game is acceptable for their children. But a…

About one in five girls experience physical or sexual dating violence, according to a new study by researchers from the Harvard School of Public Health, the Boston University School of…

The first evidence that planetary systems beyond our own contain water, a molecule that is an essential ingredient for known forms of life, was discovered recently by using the Submillimeter…

Cervical cancer kills approximately 190,000 women each year, most of them in developing nations. It is the third most common cancer world wide. Women who live in more affluent nations…

Research by Harvard scientists was driven by the need to make extremely small holes that mimic the pores in human cells through which different molecules must pass to keep the…

It has been estimated that a third of the world’s energy is consumed by buildings, a third by transportation, and a third by industry. With gasoline prices rising and electrical…

Nearly 50 years after the U.S. Supreme Court declared Southern segregated schools to be unconstitutional, resegregation is happening again. And it is occurring despite the nation’s growing diversity. According to…

A joint Harvard University/University of Tokyo team of nuclear energy, nonproliferation, and waste management experts concludes in a new study that technologies are available to store spent nuclear fuel from…