Featured series 
Tag: Faculty of Arts and Sciences
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Science & Tech
Telescope will look toward the edge of the universe
A mountaintop in Chile provides one of the best places on Earth to see light that has been traveling toward our world for billions of years. “It’s an inspiring place…
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Health
Researchers learn to control dreams
For years, scientists have been stymied in their quest to understand dreams because they are unique events that cannot be replicated.
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Health
Shorter treatment as effective, less costly in preventing HIV in babies
Of the more than 1,500 infants who get HIV from their infected mothers every day, 95 percent live in developing countries where the poverty level is high. Many mothers in…
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Health
Identifying the source of all disease
In a major leap toward learning the basics of human biology and what makes it go awry, Harvard researchers have built the prototype of a high-tech chip that rapidly identifies…
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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…
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Science & Tech
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…
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Science & Tech
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…
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Science & Tech
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…
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Health
Study points to more targeted use of Ritalin
An area known as the putamen, located deep in the center of the brain, helps to control movement and attention. Harvard researchers believe that the putamen is involved in Attention…
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Science & Tech
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…
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Science & Tech
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…
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Science & Tech
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,…
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Science & Tech
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…
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Science & Tech
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…
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Science & Tech
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…
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Science & Tech
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…
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Science & Tech
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…
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Science & Tech
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…
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Science & Tech
‘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…
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Science & Tech
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.…
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Science & Tech
What killed the dinosaurs?
Charles Marshall’s childhood passion led him to a career in paleontology, trying to understand the interplay between inheritance, environment, and catastrophe in directing evolution. Marshall’s work attracted media attention in…
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Science & Tech
Archaeology team helps find oldest deep-sea shipwrecks
About 2,700 years ago, two Phoenician ships sank to the Mediterranean’s muddy bottom, where they lay upright, preserved in the relative stillness and tremendous pressure of the deep, dark waters.…
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Science & Tech
El Nino found to be 124,000 years old
Records preserved in corals from Indonesia reveal that El Niño was causing severe weather even before the last ice age began, when the climate apparently was like it was for…
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Science & Tech
Student-designed lamp brightens Harvard dorms
Halogen lamps became increasingly popular through the ’90s. Their high-wattage bulbs gave off a clear, pleasant light and — at $15 to $25 — even a student could afford them.…
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Health
Diving into the gene pool
Maryellen Ruvolo, professor of anthropology, specializes in the analysis of human and primate family trees using DNA data, a subfield of molecular evolution. She is probably best known for her…
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Science & Tech
Discovering a new earthquake fault under Los Angeles
“Los Angeles is caught in a vise,” says John Shaw, an associate professor of structural and economic geology at Harvard who was half of a research team that discovered a…
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Science & Tech
Charles Schaff brings knack for finding fossils to field — and Harvard
Charles Schaff ‘s official job description isn’t “fossil hunter.” He is a curatorial associate at the Museum of Comparative Zoology. Schaff, however, makes regular trips to look for fossils in…