Science & Tech

All Science & Tech

  • Astronomers resolve visible blast wave from gamma-ray burst

    Gamma-ray bursts (GRBs) are mysterious flashes of high-energy light that are detected about once a day somewhere in the sky. However, their origin remains unknown to astronomers, most of whom…

  • Examining differing reproductive desires in Gambia

    For men in rural Gambia, more than 15 kids are desirable. That’s double the number of children that women are actually delivering. The number may seem high to people in…

  • Chandra clinches case for missing-link black hole

    Using NASA’s Chandra X-ray Observatory, scientists have zeroed in on a mid-mass black hole in the galaxy M82. This black hole – located 600 light years away from the center…

  • Cosmic ‘superbubbles’ bespeak toil and trouble

    The merging Antennae Galaxies in constellation Corvus are producing massive bubbles of expanding X-ray-emitting gas at such astonishing rates that they are bumping into each other. Giuseppina Fabbiano, Andreas Zezas…

  • Medical records play role in domestic violence legal cases

    Two researchers studied nearly 100 medical charts of women who had previously been identified as abuse survivors. They found that physicians frequently did not screen for abuse and that the…

  • Mystery of cometary X-rays solved

    Comets, which resemble “dirty snow balls” a few miles in diameter, until recently were thought to be too cold to emit X-rays. So the detection of X-rays from comet Hyakutake…

  • Fighting prostate cancer with radioactive seeds

    In November 1997, a team of surgeons headed by Anthoy D’Amico, an associate professor of radiation oncology at Harvard Medical School, first used a technique that treats early stages of…

  • Men have distorted image of what women find attractive

    Asked by researchers to choose the bodies they would most like to have, male college students in a study picked computer images with 30 pounds more muscle than they actually…

  • The whys and woes of child beauty pageants

    Hilary Levey, a member of the Harvard College Class of ’02, studied child beauty pageants. “With the death of JonBenet Ramsey, there’s been a barrage of interest in beauty pageants…

  • Chandra discovers elusive ‘hot bubble’ in planetary nebula

    A planetary nebula (so called because it looks like a planet when viewed with a small telescope) is formed when a dying red giant star puffs off its outer layer,…

  • Nebula resembles gigantic cosmic crossbow

    NASA’s Chandra X-ray Observatory captured the details of a compact nebula that resembles a gigantic cosmic crossbow. The nebula, located in the Vela supernova remnant, is created as a rapidly…

  • What constitutes “community” online?

    How do we create online communities? Six panelists at the 2000 Harvard Internet and Society Conference struggled with the question. “Real world communities are ever so simple to create,” said…

  • High demands, lack of control on the job damage health

    A new study has advanced previous research by linking job stress to broad, quality-of-life health issues such as carrying out daily household chores and general mental health. Previous studies have…

  • Internet revolutionizing way designers (and others) work

    Professor Spiro Pollalis, who serves as director of the Center for Design Informatics at the Harvard Graduate School of Design, estimates Internet-based project management networks are now being utilized by…

  • Gamma rays may be left over from cosmic construction project

    The origin of the diffuse and pervasive background of gamma-ray radiation that exists over the universe has been one of the great unsolved mysteries in cosmology. Even the known population…

  • Study finds that for young men, family comes first

    Breaking ranks with their fathers and grandfathers on the important issue of work-family integration, 71 percent of men 21-39 said in a survey that they would give up some of…

  • Professor’s survey method opens ‘windows of consciousness’

    Bringing together theories and tools from disciplines ranging from psychology to neuroscience, the Mind of the Market Laboratory at Harvard Business School attempts to define and qualify consumers’ and managers’…

  • Helping clear the air in China

    Across China’s industrial areas, black soot settles into people’s lungs and bronchial tubes, producing an annual epidemic of respiratory disease. That’s the result of heating homes, schools, and offices with…

  • New generation of faculty members sets new priorities

    Although doctoral candidates and new faculty still regard tenure as important when seeking employment, they will consider non-tenure over tenure-track positions if jobs meet other conditions, including desirable geographic location,…

  • Air pollution deadlier than previously thought

    The idea that air pollution is harmful is hardly new. However, critics of the previous research of Joel Schwartz, associate professor of environmental health at the Harvard School of Public…

  • Digital communications will reshape the way businesses market goods

    In a chapter of the forthcoming book Digital Marketing, Harvard Business School Professor John A. Deighton and coauthor Patrick Barwise of the London Business School identify three qualities that distinguish…

  • Computers that are more than the sum of their parts

    In the 1960s, a potentially serious drawback threatened further progress toward the computer age. As Harvard Business School Dean Kim Clark and his colleague, Professor Carliss Baldwin, wrote in their…

  • Cosmic pressure fronts mapped by Chandra

    The collision of two giant clusters of galaxies has been imaged by NASA’s Chandra X-ray Observatory. For the first time, the pressure fronts in this system, which has been compared…

  • Immigration experts focus on attitudes of children

    Too many immigrants in the United States are staring into what Marcelo and Carola Suarez-Orozco call “a toxic mirror” that seriously compromises the self-image of children who will grow up…

  • Scientists probe Northern Hemisphere ozone loss

    The ozone layer shields us from cancerous ultraviolet radiation. Understanding how it is being destroyed was the mission of more than 350 scientists from the United States, Canada, Europe, Japan,…

  • Differences between vowels and consonants are real

    While working with colleagues in Rome, two Harvard researchers serendipitously met two women with intriguing speech deficits. As the result of a stroke, one patient could not reproduce the sounds…

  • South Pole telescope sees origin of starbursts

    Astronomers have seen how star formation occurs in the center of our own Milky Way Galaxy by using a telescope based at the South Pole. The observations contribute to our…

  • Despite some progress, segregation persists in Boston area

    A report, “Segregation in the Boston Metropolitan Area at the End of the 20th Century,” found that despite the progress that disadvantaged minorities have made in achieving homeownership outside of…

  • Closing in on the ‘theory of everything’

    A single theory describing nature’s four forces, called the “Theory of Everything,” has been the Holy Grail for physicists and other scientists seeking the universe’s deepest mysteries. Physicist Juan Maldacena…

  • High stakes tests in Texas threaten disadvantaged students

    Texas is frequently cited as a national leader in efforts to raise academic performance and hold schools accountable for student performance. At the center of these efforts is the statewide…