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Science & Technology | Most Recent First
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Was Papua New Guinea an Early Agriculture Pioneer?
June 23, 2003 —
Scientists have found that New Guinea is one of the few places on Earth where agriculture developed independently. Evidence of taro and banana cultivation has been discovered at the site of Kuk, indicating the emergence of agriculture approximately 6,500 years ago.
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2003 Kyoto Prize Laureates Named
June 20, 2003 —
The Inamori Foundation announced the laureates of its 19th Annual Kyoto Prizes, international awards presented to people who have contributed significantly to mankind's betterment in the categories of Advanced Technology, Basic Science, and Arts and Philosophy.
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U.S. Buys Oldest Map Marked "America"
June 19, 2003 —
The first map known to have named the then-new Western continent "America" has been acquired by the Library of Congress for U.S. ten million dollars. Described as "one of the greatest finds of the modern age" after it was lost for more than two centuries, the 1507 map was drawn from data gathered by explorer Amerigo Vespucci.
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Killer Asteroids: A Real But Remote Risk?
June 19, 2003 —
It is almost certain that Earth will be hit by an asteroid large enough to exterminate a large percentage of our planet's life, including possibly over a billion people, according to researchers. But as such cataclysmic collisions occur on average only once in a million years or so, are they really worth worrying about?
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"Dark Side" of the Universe Is Coming to Light
June 19, 2003 —
Black holes, dark matter, and mysterious dark energy together make up 96 percent of the universe—the so-called dark side of the cosmos. Scientists are slowly unraveling the secrets of these enigmatic forces, shedding light on the past and future structure of the universe.
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"Jesus Box" Is a Fake, Israeli Experts Rule
June 18, 2003 —
The "Jesus Box," touted to be the first archaeological proof that Jesus existed, has been found to contain a forged inscription. The Israel Antiquities Authority released a report Wednesday stating that the box's inscription was forged, though the ossuary itself is believed to be dated correctly.
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Salmon Farm Escapees Threaten Wild Salmon Stocks
June 16, 2003 —
Scientists say the sexually precocious offspring of farmed Atlantic salmon threaten the survival of genetically distinct wild stocks. New research suggests the young produced by fish escaping from salmon farms are four times more successful at breeding in rivers than native fish.
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HIV Originated With Monkeys, Not Chimps, Study Finds
June 12, 2003 —
The virus in chimpanzees believed to have been transmitted to humans to become HIV-1—the virus that causes AIDS—didn't start its life in chimps. Instead, separate viruses jumped from different monkey species into chimps, where they recombined to form a hybrid virus, according to a new study.
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For Thrush, Flight Less Taxing Than "Rest," Study Says
June 11, 2003 —
Over the course of their migration from Panama to Canada, New World Catharus thrushes spend twice as much energy slurping worms, munching snails, and heating their bodies than they do actually flapping their wings in flight, according to new research.
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I Found Life on Mars in 1976, Scientist Says
June 11, 2003 —
As three separate missions journey to Mars this month to search for signs of life, one scientist claims that he already proved there's life on the red
planet—in 1976.
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Ancient Iraqi Sites Show Theft, Destruction
June 11, 2003 —
A National Geographic archaeological expedition to Iraq—the first survey of the country's antiquities beyond Baghdad since the April war—reports that although bombs spared most sites and treasures, some ancient locations have been seriously damaged by looting or long-term neglect. In many places hundreds of people were openly making illegal excavations.
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Internal Clock Leads Monarch Butterflies to Mexico
June 10, 2003 —
For every fourth or fifth generation of monarch butterflies that summer in the U.S. east of the Continental Divide, the pull of high-altitude Oyamel fir forests in central Mexico is irresistible. Now scientists have discovered that they make the 2,000-mile (3,200-kilometer) flight with the help of an internal clock.
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Radio-Tagged Tarantulas to Help Track Deforestation
June 9, 2003 —
Radio-tagged tarantulas are being used by researchers to monitor the threatened rain forests of Belize. Each spider emits a unique call sign, allowing it to be identified with a hand-held scanner even when it is in its lair. The health of the arachnids indicates the health of the habitat.
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Far-Out Theory Ties SARS Origins to Comet
June 3, 2003 —
The source of SARS has mystified medical experts. Some believe it evolved naturally in humans. Others say it must have jumped from an animal, maybe a chicken or an exotic bird. But one group of British scientists suggests a more far-out origin: space.
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Traveler Editor: SARS Travel Fears Unfounded
June 2, 2003 —
SARS has created more turbulence for the airline industry than 9/11 and the Iraq War combined, according to an airline trade group. But Traveler Editor in Chief Keith Bellows says media hype has overstated the risk to travelers and that deals in Toronto and Beijing abound.
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Will "Gecko Tape" Let Humans Climb Walls?
June 2, 2003 —
Humans may someday be able to scuttle up walls, scamper across ceilings, and scurry out windows with the agility of a startled gecko in the tropical night—thanks to a new adhesive tape that mimics the lizard's sticky feet.
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Twin NASA Rovers to Prospect for Water on Mars
May 29, 2003 —
Strong evidence of water on Mars has propelled NASA to launch rovers to investigate. Robots destined for two different locations are tested in the "sandbox," at NASA's Jet Propulsion Laboratory, which simulates the Martian landscape. Science correspondent Chad Cohen gets a Martian preview tonight on our U.S. cable television program National Geographic Today.
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U.S. Team Produces First Mule Clone
May 29, 2003 —
First there was Dolly, the sheep. Now, scientists at the University of Idaho have successfully cloned a mule. Born on May 4, Idaho Gem is the first member of the horse family to be cloned.
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Video Games Boost Visual Skills, Study Finds
May 28, 2003 —
Players of video games develop exceptional visual skills, researchers have found. A study of college students who are "expert" players suggests that games are so effective that they could be designed to train soldiers for combat and as therapy for people with visual impairments.
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First Picture of Earth From Mars
May 22, 2003 —
Four centuries after the first telescopes were turned towards Mars, the first snapshot has been taken of Earth rom the red planet. The camera on NASA's Mars Global Surveyor shot an image of our planet a few weeks ago, producing a picture of "a tiny alien world in the vast darkness of space," according to the scientists who processed it.
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Heat Waves, Hurricanes Predicted for Summer in U.S.
May 22, 2003 —
As the season of long days and short nights, barbecues and cold drinks, and lakeshore and beachfront retreats is kicked off this Memorial Day weekend, forecasters train their gaze on charts and graphs as they attempt to predict the fickle summer weather.
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