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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Scholar makes robots that detect land mines
On Oct. 10, 2005 — he remembers the date exactly — Thrishantha Nanayakkara was driving down a country road, headed for a science workshop at Jaffna Central College, a high school in the far north of Sri Lanka. The event was designed to distract potential child soldiers from the allure of war.
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Leadership Initiative Fellow Bolden nominated to lead NASA
Retired Marine Maj. Gen. and former astronaut Charles Bolden was nominated to be the head of NASA on Saturday (May 23), interrupting his stay at Harvard as anAdvanced Leadership Fellow.
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New department reflects the evolution of human evolution
Earlier this month, the Faculty of Arts and Sciences (FAS) made official what scientists worldwide have known for years: Harvard is a hotbed of research and teaching in the field…
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Hospice care under-used by many terminally ill patients, study finds
A new study led by researchers at Harvard Medical School (HMS) found that only about half the patients diagnosed with metastatic lung cancer discuss hospice care with their physician within…
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‘Black Holes’ at the Museum of Science
The exhibition “Black Holes: Space Warps & Time Twists,” produced by the Harvard-Smithsonian Center for Astrophysics, will open at the Boston Museum of Science on June 21. The exhibit journeys to the edge of black holes to discover how recent scientific research is challenging notions of space and time, and, in the process, turning science fiction into fact. Discounted museum passes are available through Outings & Innings, 9 Holyoke St., (617) 495-2828.
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Understanding materials to make microdevices
In the 1990s, semiconductor companies began to incorporate a wider variety of materials into the construction of computer chips, selecting materials based on how they would perform electrically and not necessarily on how they would stand up to the rigors of the manufacturing process or continued use.
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Looking at ‘spoiled’ Americans through an energy lens
In 1968, the United States was exporting oil. A decade later, given massive increases in domestic demand, it was importing half of this coveted fuel.
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Scientists create custom three-dimensional structures with ‘DNA origami’
By combining the art of origami with nanotechnology, Dana-Farber Cancer Institute researchers have folded sheets of DNA into multilayered objects with dimensions thousands of times smaller than the thickness of…
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Looking for subatomic insights in Minnesota
After years of planning, officials broke ground this month for a new high-energy physics experiment that will probe the behavior of one of the basic particles that make up the universe: the neutrino.
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Kepler starts search for other Earths
As NASA’s Kepler space telescope this week begins scanning the Milky Way for planets that might harbor life, scientists at the Harvard-Smithsonian Center for Astrophysics (CfA) are keeping their fingers crossed and waiting for the data to start flowing.
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Spiral swimmers may be new workhorses
Harvard researchers have created a new type of microscopic swimmer: a magnetized spiral that corkscrews through liquids and is able to deliver chemicals and push loads larger than itself.
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Embryo’s heartbeat drives blood stem cell formation
Biologists have long wondered why the embryonic heart begins beating so early, before the tissues actually need to be infused with blood. Two groups of Harvard Stem Cell Institute (HSCI) researchers from Children’s Hospital Boston (Children’s) and Brigham and Women’s Hospital (BWH) — presenting multiple lines of evidence from zebrafish, mice, and mouse embryonic stem cells — provide an intriguing answer: A beating heart and blood flow are necessary for development of the blood system, which relies on mechanical stresses to cue its formation.
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FAS launches budget Web site
The Faculty of Arts and Sciences (FAS) has created a new Web site to provide faculty, staff, and students with up-to-date information on cost-saving measures.
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Climate Collaborative’s report suggests culture change
Last year, Harvard University pledged to reduce its greenhouse gas emissions 30 percent by 2016. That ambitious goal raised a single big question: How?
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Spiral swimmers may prove micro workhorses
Harvard researchers have created a new type of microscopic swimmer: a magnetized spiral that corkscrews through liquids and is able to deliver chemicals and push loads larger than itself. Though…
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Rockefeller grants open up world for undergrads
Nearly 500 Harvard undergraduates will learn about other cultures by participating in high-quality international experiences this summer, thanks to the generosity of David Rockefeller, longtime University benefactor and member of the Harvard College Class of 1936.
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Molecular secrets in atomic nuclei
For Navin Khaneja, spinning nuclei are like atomic spies. With a little coaxing, they will tell the secrets of the molecules in which they sit.
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Nectar nurtures pitcher plant’s eating habits
New research from the Harvard Forest shows that carnivorous pitcher plants use sweet nectar to attract ants and flies to their water-filled traps, not color, as earlier research had indicated.
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Vocal mimicking, sense of rhythm tied
Researchers at Harvard University have found that humans aren’t the only ones who can groove to a beat — some other species can dance, too. The capability was previously believed to be specific to humans. The research team found that only species that can mimic sound seem to be able to keep a beat, implying an evolutionary link between the two capacities.
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Life in the universe? Almost certainly. Intelligence? Maybe not
We are likely not alone in the universe, though it may feel like it, since life on other planets is probably dominated by microbes or other nonspeaking creatures, according to scientists who gave their take on extraterrestrial life at Harvard last week.
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Geneticist ‘who doesn’t believe in God’ offers new conception of divine
The Paul Tillich Lecture, offered annually at Harvard since 1990, commemorates the memory of a public intellectual who was once “the largest theological figure in our orbit,” said The Rev. Peter J. Gomes.
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Carol Robinson: Pushing a technology’s boundaries
The distinguished chemist Carol Robinson has used mass spectrometry throughout her career to tackle increasingly complex problems in biology. When she delivered the Radcliffe Institute’s first Lecture in the Sciences…
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A collaboration with a long lifetime
It was a crisp, classic fall day in Cambridge, but little of the golden afternoon sunlight trickled down to Cynthia Friend’s laboratory in the basement of the Harvard chemistry building.…
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Jefferson Lab Harvard’s newest historic site
The American Physical Society (APS) designated Jefferson Physical Laboratory a historical site in a special ceremony on Monday (April 27).
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Dinosaur protein preserved over time
Ancient protein dating back 80 million years to the Cretaceous geologic period has been preserved in bone fragments and soft tissues of a type of duck-billed dinosaur, according to a…
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HMNH welcomes opportunities to develop NSF research-related outreach programs with University researchers
HMNH welcomes opportunities to develop NSF research-related outreach programs with University researchers Posted April 27, 2009 at http://harvardscience.harvard.edu/directory/programs/husec The Harvard Museum of Natural History has partnered successfully with faculty from…
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The upside of rejection
Want a dose of veritas? Even at a place like Harvard, rejection and failure are regular visitors.
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Cyclones spurt water into the stratosphere, feeding global warming
Scientists at Harvard University have found that tropical cyclones readily inject ice far into the stratosphere, possibly feeding global warming.
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Earth Week emphasizes notion of human stewardship
Earth is shielded by a film of air barely 6 miles high. About 10 million species of plants and animals, including 6 billion humans, reside within this thin skin of gases.
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GPM tells you more than MPG, say management professors
“Miles per gallon” (mpg) is the most common measure of a car’s fuel efficiency. The typical U.S. consumer, in shopping for a car, uses mpg as a way of calculating gas consumption and carbon emissions.