Science & Tech

All Science & Tech

  • 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…

  • 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,…

  • 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…

  • 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…

  • Women priests, vegetarianism – early Christian manuscript holds surprises

    In the early days of Christianity, when the first Christians were spreading the faith, diversity of belief was the norm rather than the exception. An early manuscript uncovered by a…

  • Study says children with cancer often suffer needlessly

    “Since caregivers are very committed to curing their patients, it may be difficult for them to recognize when to incorporate palliative care into treatments, even when there’s little hope of…

  • New detector may open new window on the universe

    A new receiver is capable of detecting and amplifying very-high- frequency signals with very fine frequency resolution, so it can detect the spectral lines, or chemical fingerprints, of interstellar molecules…

  • Chandra finds “cool” black hole at heart of Andromeda Galaxy

    A team of scientists from the Harvard-Smithsonian Center for Astrophysics in Cambridge, Mass., reported that the gas funneling into a supermassive black hole in the heart of the Andromeda Galaxy,…

  • Betelgeuse’s chromosphere beats like a human heart

    For many years astronomers have known that the atmospheres of pulsating stars either expand or contract over time, but they have long puzzled over the question: “What physical mechanism drives…

  • Little giants create a big cosmic controversy

    A new measuring technique used to determine the distances to a class of stars called “Red Clumps” in the Large Magellanic Cloud produced a much smaller distance than that found…

  • Streamers of gas feed beast at center of our galaxy

    Astronomers have long known that a supermassive black hole, more than 2 million times more massive than our Sun, lies at the center of the Milky Way Galaxy some 27,000…

  • Study finds biotech workers ‘thrive’ on instability

    Marked by job insecurity, dependence on changing technology, and uncertain financing, the biotechnology industry is viewed by researchers as one of the best examples of the workplace of the future.…

  • Light weapons are most common in today’s small wars

    In the 1990s, approximately 4 million soldiers and civilians were killed by small arms in the internecine conflicts of the developing world. More people, in other words, were killed in…

  • State-of-the-art health guide created

    Harvard Medical School believes it has a cure for problems associated with finding accurate, up-to-date medical information: a comprehensive (1,288 pages), $40 medical guide tied to a Web site that…

  • Researcher Sunney Xie interested in molecule as an individual

    Sunney Xie is one of the world’s leading researchers in molecular imaging and in single-molecule reactions. Xie’s has devised a way to use laser beams to see collections of protein…

  • Black silicon: A new way to trap light

    Eric Mazur, Harvard College Professor and Gordon McKay Professor of Applied Physics, and his students were studying what kinds of new chemistry can occur when lasers shine on metals, like…

  • Industrial disasters sparked field of environmental health

    Two large, unnatural disasters helped to create the impetus for the field of environmental health to grow in scope. But before there was a U.S. Environmental Protection Agency and before…

  • 21 moons ‘swarm’ planet Uranus

    In 1999 three new moons were discovered orbiting Uranus, a great gasball of a planet about 2 billion miles from Earth. The discovery raised the number of Uranian moons to…

  • New electronic tools reveal forgotten China

    German-born photographer Hedda Hammer Morrison (1908-1991) could often be seen bicycling through Peking with a Rolleiflex camera around her neck, capturing her times through her lens as both participant and…

  • ‘Ultracold’ trap unveils secrets of matter in the universe

    Physics Professor John Doyle traps the tiny particles that make up the universe and then studies them, looking for what they can tell him about the most basic rules of…

  • Exploring big and small possibilities of the information revolution

    ” ‘System-on-a-chip’ is the new buzzword today,” said Professor Woodward Yang in 1999. “It’s really not that far away.” As Yang sees it, the computer revolution is really just beginning.…