Science & Tech
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What happened when a meteorite the size of four Mount Everests hit Earth?
Giant impact had silver lining for life, according to new study
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When we say ‘smart,’ what do we mean?
Computer scientist says we should shift focus to ‘educability’
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How to apply cool-headed reason to red-hot topics
Michael J. Sandel brings back wildly popular ‘Justice’ course amid time of strained discourse on college campuses
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Big discovery about microscopic ‘water bears’
Bit of happenstance, second look at ancient fossils leads to new insights into evolution of tardigrade, one of most indestructible life forms on planet
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The making of the gut
Studies connect genetics, physics in embryonic development
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How whales and dolphins adapted for life on the water
Backbones of ocean-dwelling mammals evolved differently than those of species living closer to shore, study finds
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Harvard Law School researchers track China’s Web filtering policies
“We’re hoping to make clear what’s blocked and what’s not—something only previously understood piecemeal,” said Professor Jonathan Zittrain, faculty co-director of the Berkman Center. “With the right data, we can…
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Information Age will change doctors’ role in healing
Even as the Internet allows patients access to information previously only available through their doctors, patients still trust the information they get from their doctors more than they do from…
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Beyond the Beltway: Focusing on Hometown Security
“Beyond the Beltway: Focusing on Hometown Security,” prepared by participants in the Kennedy School’s Executive Session on Domestic Preparedness, calls upon federal officials to place greater emphasis upon local emergency…
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Dying to drink
Henry Wechsler, lecturer on social psychology in the Department of Health and Social Behavior and director of the Harvard School of Public Health College Alcohol Studies Program, defines binge drinking…
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Reserved children more likely to be violent than their outgoing peers
Kurt Fischer from the Harvard Graduate School of Education and Brandeis’ Malcolm Watson tracked 440 children and adolescents over seven years to determine what causes children to become aggressive and…
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Public school districts resegregating by race, study finds
While the 2000 census results illustrate that the United States has more racial and ethnic diversity than ever before, school data from the year 2000-2001 collected by the U.S. Department…
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X-ray arcs tell tale of giant eruption
Scientists from the Harvard-Smithsonian Center for Astrophysics (CfA) report that two arc-like structures of multimillion-degree gas in the galaxy Centaurus A appear to be part of a ring 25,000 light…
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What students know best
A research project called Pathways for Student Success has taken a unique approach to finding ways to help high school students achieve at a high rate. Rather than focusing on…
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Building difference, breaking it down
Mica Pollock, an assistant professor at the Harvard Graduate School of Education, taught and did dissertation research in a California high school where she observed students “bending” racial categories. “What…
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Researchers link firearms, suicide rate
The Harvard Injury Control Research Center (HICRC) at the Harvard School of Public Health has investigated suicide and its relationship to firearms, revealing important statistical information about the problem. To…
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Neither Rome nor universe built in a day
Theoretical astrophysicists Stuart B. Wyithe and Abraham Loeb at the Harvard-Smithsonian Center for Astrophysics (CfA) have explained a paradox that has troubled scientists for years. Observations seem to show that…
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Structuring 21st century government for homeland defense
A report by Kennedy School of Government lecturer Elaine C. Kamarck, “Applying 21st Century Government to the Challenge of Homeland Security,” offers some specific recommendations: — Create a National Terrorism…
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Study shows maintaining homeownership gains is key to strong economy
A June 2002 report by The Joint Center for Housing Studies of Harvard University documents the strong demographic foundation of current and projected future housing market activity. According to the…
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Religious private schools most segregated in U.S.
Black-white segregation is greater among private schools than among public schools, according to a research report from the Civil Rights Project at Harvard University. Although 78 percent of the private…
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RNA technology thwarts HIV
RNA interference (RNAi) is a naturally occurring phenomenon by which cells guard themselves against viruses. The process involves post-transcriptional gene silencing in which specific RNA sequences get chopped into small…
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Cooking up a story of apes and humans
For humans, cooking played a major role in the development of smaller jaws and teeth, bigger brains, smaller guts, shorter arms, and longer legs, according to Richard Wrangham, professor of…
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The next big thing in mining the genome
About 99.9 percent of the 3.1 billion base pairs in the human genome are the same from person to person. The remaining 0.1 percent of differences comprises more than 10…
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Kennedy School students help Kenyans battle AIDS
Two Kennedy School master’s students, Shanti Nayak and Nazanin Samari-Kermani, went to Kenya to help a leading anti-poverty organization investigate how best to fight AIDS. Their research, with ActionAid-Kenya, a…
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Three in five Americans would get vaccinated for smallpox
Substantial public interest in receiving a smallpox vaccination grows in part from continuing fears about a future bioterrorist attack. Nine months after the September 11th attacks, more than four in…
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South Pole telescope maps heart of Milky Way
Research results obtained by a team of astronomers at the Harvard-Smithsonian Center for Astrophysics (CfA) led by Chris Martin and Antony Stark suggest that we are headed for some celestial…
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Patents have negative impact on access to HIV/AIDS drugs in developing countries
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…
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Radcliffe conference presents research on lethal school violence
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…
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Pendulating “between euphoria and despair”
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.…
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Emergency communications
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…
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Race, place, and segregation
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…
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Culprit caught in gamma-ray burst mystery
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…
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New online approach builds community around medical cases
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…
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New approach to cervical cancer screening could save lives
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…
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Americans don’t see obesity as serious health problem
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…
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Black, Latino children with asthma receive lesser standard of care
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…