Science & Tech

All Science & Tech

  • Keys to the highway

    Even though they have a massive effect on the natural world, roads have been pretty much ignored by ecologists, who prefer to focus on open areas – the territory between…

  • In their cups

    Thomas Cummins, Dumbarton Oaks Professor of the History of Pre-Columbian and Colonial Art, has made a career of finding and interpreting objects that hold the key to a fuller understanding…

  • First Milky Ways found at edge of universe

    One key question that has puzzled astronomers for decades is: When did the first stars and galaxies form after the Big Bang occurred? The answer — very quickly! Astronomers Rennan…

  • New moons found around Neptune

    Astronomers have discovered three new moons of Neptune, boosting the number of known satellites of the gas giant to 11. These moons are the first to be discovered orbiting Neptune…

  • Reading ancient campfires

    Ofer Bar-Yosef, Harvard’s MacCurdy Professor of Prehistoric Archaeology and head of the Peabody Museum’s Stone Age Laboratory, is working in the New Stone Age, known as the Neolithic, when Homo…

  • A multiracial society with segregated schools

    The nation’s public schools are becoming steadily more nonwhite, as the minority student enrollment approaches 40 percent of all U.S. public school students, almost twice the share of minority school…

  • New study suggests staggered boards hurt shareholders

    Staggered boards hurt shareholders of hostile bid targets even when a majority of the board is made of independent directors, and they do not appear to benefit shareholders of targets…

  • Strong public support for spraying against mosquitoes

    The opening study of the Project on Biological Security and the Public found that one-third (33 percent) of Americans who live in areas where there are a lot of mosquitoes…

  • Hypergiant star erupts

    In the year 2000, the star Rho Cassiopeiae, n the constellation of Cassiopeia, lost more mass than in any other stellar eruption observed by astronomers. An international team of astronomers,…

  • New research questions competition in corporate charters

    The dominant state in attracting the incorporations of publicly traded companies is, and has long been, the state of Delaware. Although home to less than one-third of one percent of…

  • Young star cluster found aglow with mysterious X-ray cloud

    Known as RCW 38, a star cluster covers a region about 5 light years across. It contains thousands of stars formed less than a million years ago and appears to…

  • Researchers debate origin of language

    Birds sing, chimps grunt, and whales whistle, but those sounds fall far short of expressing the richness of their experiences. Their lack of language goes to the question of why…

  • Matthew Shair imitates, improves on nature

    Matthew Shair and his students work in “protein trafficking.” Genes in living cells carry instructions for making proteins essential to life. These proteins have to get from place to place…

  • Where do you want your building?

    Humans are changing location more frequently and in greater numbers than ever before in history. But at the same time, the electronic revolution is allowing them to remain in contact…

  • Researchers regenerate zebrafish heart muscle

    A research team led by Mark T. Keating showed that zebrafish can regenerate heart muscle within two months after a severe injury. The team, from the Howard Hughes Medical Institute…

  • New 3-D mammography system may improve breast imaging

    Researcher Elizabeth Rafferty of the Massachusetts General Hospital Breast Imaging Service described initial results of a study comparing a new technique, called digital tomosynthesis, to standard mammography. Among the new…

  • Geographical information systems conference showcases the future

    Begun as a mapping software decades ago, geographical information systems, known as GIS, today functions to manage different time- and place-dependent data and allows different variables to be projected together,…

  • Exploring black political thought, now and then

    Professor Michael Dawson’s most recent book, “Black Visions: The Roots of Contemporary African American Mass Political Ideologies” (University of Chicago Press, 2001), brings a historical perspective to black political ideologies.…

  • Boston bike messengers experience very high injury rate

    Bike couriers have become as a much a part of the urban landscape as sky-scrapers and traffic-clogged streets. Boston messengers collectively make between 3,000 and 4,000 deliveries on a given…

  • Scientists look inside antimatter

    “We have obtained the first glimpse inside an antihydrogen atom, and this is a significant step on the way to precision measurements that will allow matter/antimatter comparisons to be made,”…

  • McElroy says it’s time to stop seeing global warming as political issue

    Michael B. McElroy, Gilbert Butler Professor of Environmental Studies and director of Harvard’s Center for the Environment, is among the scientists who since the 1970s have been using paleoclimatic data…

  • Prying the lid off the FDA

    Even though asthma is responsible for more deaths and more hospitalizations than arthritis in the United States, the greater political influence of arthritis sufferers prompts the federal Food and Drug…

  • Regrowing missing teeth may someday be possibility

    Regrowing missing teeth may someday be a possibility, based on work by a team of scientists at the Forsyth Institute, an independent, Harvard-affiliated research organization specializing in oral and craniofacial…

  • Missy Holbrook investigates the world of plants

    Every day an oak tree moves hundreds of gallons of water up from the soil and out, in evaporated form, through its leaves. “Mechanically, it’s a pretty substantial feat,” says…

  • Beetle mania

    Grain weevils alone cost the global economy about $35 billion, or a third of the world’s grain crop, every year. Various other beetle species damage dozens of crops including bamboo,…

  • Harvard science historian publishes results of unprecedented 30-year census of Copernican masterpiece

    First published in 1543, Nicholas Copernicus’ De revolutionibus orbium coelestium introduced the world to the concept of a sun-centered universe. In it, Copernicus detailed how the motions of the sun,…

  • Genetic sonograms may reduce need for amniocentesis

    Radiologist Beryl Benacerraf is a Harvard Medical School clinical professor of obstetrics, gynecology and reproductive biology at Brigham and Women’s Hospital. Benacerraf, a handful of like-minded maternal-fetal ultrasound specialists, and…

  • Putting bacteria to work

    A nautical group of bacteria known as Prochlorococcus removes carbon dioxide from air and fixes it into the carbon content of their own tiny bodies. The more carbon dioxide they…

  • Undergraduates observe Rwandan attempts at justice

    The Rwandan genocide memorial was a tiny one-room church, pervaded still by a penetrating stench. On a table in the church was a pile of human skulls and femurs, a…

  • Website saves wet books

    Wondering what to do if you discover a bunch of old books are floating in backed-up sewer water or if a parchment manuscript gets soaked by an automatic sprinkler? The…