Word: fetal
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Dates: during 2000-2009
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...featuring as distinguished a gathering of scientific luminaries as I've ever seen. Among the speakers: Jim Watson and Hamilton Smith, both Nobel prizewinners for their work on DNA; Pulitzer prizewinning entomologist and sociobiologist E.O. Wilson; genome mappers Francis Collins and J. Craig Venter; John Gearhart, who isolated the fetal embryonic stem cell; Dean Hamer, the leading expert on behavior genes; plant geneticist Ingo Potrykus; neuroscientists Dr. Wise Young and Rudolph Tanzi; inventors Jaron Lanier and Raymond Kurzweil; software gurus Bill Joy and John Gage; environmentalists Thomas Lovejoy and Brian Halweil; ethicists Daniel Callahan of the Hastings Institute and Donald...
...FETAL HEARTS In a surgical first, doctors fixed a deadly heart-valve defect in a 5-month-old fetus. Guided by ultrasound, they angled a needle-thin catheter into the aortic valve, a spot one-eighth of an inch in diameter in a beating heart the size of a grape. A minuscule balloon was then inflated to enlarge the constricted valve, which had been obstructing the flow of blood to the body. Eleven weeks later, doctors induced early labor, anticipating the need for another operation, but the repair job had worked so well that the 5-lb. 8-oz. healthy...
CONCEPTION TO BIRTH PRENATAL The brain and nervous system develop and form an intricate network. But genetic errors and environmental factors like fetal exposure to alcohol or drugs can make this process go awry. Some common examples...
...FETAL ALCOHOL SYNDROME Profound mental retardation caused by maternal alcohol abuse. Studies suggest that 1,200 to 8,800 FAS babies are born in the U.S. every year...
...during the rest of the night a storm arose, and the next day, sheets of rain reduced visibility to a meter or so. Some of us played cards in the main tent, but others curled up inside sleeping bags in a fetal position, trying to stay warm. The second day, we set off in drizzle, trekking up steep ice fields encrusted with ash. Soon it poured again. We crossed paths with a group of drenched Austrians. Only upon our return to Petropavlovsk did we discover that we had hiked seven hours through an 80-km/h storm. Nonetheless, the spectacle...