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Argues whether a cloth or a disposable diaper is environment-friendly. Arguments in favor of reusable diapers; Percentage of disposable diapers in landfill content; Comparison of the diapers' waste with paper waste and construction debris.

Reports on findings about the Taino tribe living in the Caribbean Islands. Discovery of wooden staffs of the 11th century used by the Taino tribe; Occupation of people of the Taino tribe; Estimation of population of the tribe.

Reports on a race organized for winning Cherokee Outlet, a 58-mile long land, in Oklahoma, on September 16, 1893. Number of participants in the race; Details of a treaty on Cherokee Outlet; Amount paid by the U.S. to the Indians for the land.

Reports on the possible use of mucus from the frog Phyllomedusa Bicolor, found in the Amazon rain forest, for the treatment of brain diseases. Reasons behind the use of mucus by various tribes near the Amazon; Other therapeutic uses of the mucus; Scientific benefits of peptide found in the mucus of the frog.

Reports on the possibility of economic boom in Kaliningrad, Russia. Goods for trade between Kaliningrad and Russia; Invasions in the region during the World War II; Creation of the Yantar Free Economic Zone in Kaliningrad.

Reports on a solo skiing trip of Oslo, Minnesota attorney Erling Kagge, to the South Pole. Earlier skiing trips of Kagge; Apprehension of Kagge from the trip; Items taken by Kagge on his journey to the South Pole.

Focuses on the role of male dove cooing in laying of eggs by the female doves. Importance of male cooing for stimulation of female cooing.

Focuses on a study on low rate of breast, uterine and ovarian cancer in women of Kung San tribe in Africa. Effect of the women's dietary and reproductive patterns on the incidence of cancer; Importance of the findings for development of cancer-resisting medications.

Discusses the impact of oil spill in Prince William Sound, Alaska on archaeological studies of the region. Effect of the oil spill on archaeological materials found in the region; Concerns regarding contaminated archaeological sites.

Focuses on fossil leaves found in South Island, New Zealand. Resemblance of the leaves to leaves of trees in the Northern Hemisphere; Effect of seasonal variations on fossil leaves.

Focuses on the grant awarded to Rosalind Alp by the National Geographic Society for study of chimpanzees in Sierra Leone. Reasons for Alp's interest in the study; Efforts made by Alp to reach a forest inhabited by chimpanzees.

Discusses the New World's first air balloon voyage undertaken by French balloonist Jean-Pierre-Francois Blanchard on January 9, 1793. Number of flights made by Blanchard; Weather condition during Blanchard's flight.

Focuses on the discovery of shells of clam 'Mya arenaria' on a beach off northern Denmark. Speculations over the visit of Vikings to the U.S. before voyager Christopher Columbus following the discovery of shells.

Reports on images sent by the Galileo spacecraft that depict the presence of rocks from beneath the moon's crust. Composition of the rocks; Area on the moon where the rocks have been cited; Theory suggested for the presence of these underlying rocks on the moon's surface.

Discusses the attitude of people towards domesticated dogs in the ancient civilization of Illinois River Valley. Materials recovered from ancient dog burial site.

Discusses the role of master gardener Alice Nicolson in horticultural practices in Arlington, Virginia. Features of horticultural classes conducted by Nicolson.

Focuses on the daguerreotype image of Lower Manhattan, New York City found by researcher Joseph Buberger. Fixation of real life image on silver-coated copper plate; Features of the image of Manhattan.

Focuses on the impact of civil war, that began in 1990 in Rwanda, on gorillas in Parc National des Volancs. Decrease in anti-poaching patrols in the national park since 1990; Effects of the war on the country's economy.

Focuses on the underwater archaeological park at the extinct city of Caesarea Maritima in Israel. Historical background of the Caesarea harbor; Facilities provided to divers exploring the park.

Discusses the existence of all-female lineage of salamanders. Reproductive pattern of female salamander resulting in female offsprings only; Absence of male genes in offsprings; Longevity of the lineages.

Focuses on the publication of the revised sixth edition of National Geographic Society's 'Atlas of the World' in 1993. Inclusion of newly formed countries in the atlas; Changes regarding place-names in the atlas.

Reports on the discovery of two tombs of the Sycan dynasty along the northern coast of Peru by archaeologist Izumi Shimada of Harvard's Peabody Museum in Massachusetts. Details of the human remains found in the tombs; Artifacts discovered in the tombs; Belief of Shimada regarding the discovery.

Reports that two persons in Shanghai, China were given prison terms for their alleged involvement in the sale of a giant panda's pelt. Market price of the pelt; Number of people who have been arrested for illegal trade of panda skins in China; Punishment awarded to traffickers and poachers if they are caught.

Focuses on findings of a study which suggests that several offshore faults are linked to the San Andreas system in California resulting in the movement of Golden State's Channel Islands. Effect of variations in directions of the faults on the movement of these islands; Distance covered by these islands annually; Number of years it will take them to reach the Californian coast.

Reports on an experiment conducted by researcher Terrie Williams and her team in Hawaii to determine the amount of energy expended by dolphins while swimming. Details of the experiment; Change in energy costs observed in these fishes when they swam at high speed.

Focuses on the mile-a-minute vine Polygonum Perfoliatum. Background on its introduction to the U.S.; Regions in the U.S. where the vine has proliferated; Conditions that favor its growth; Average length of the vine.

Discusses reasons behind naming of certain places in the U.S. with words 'Ha Ha.' Geographic meaning of the words; Origin of the words.

Reports on a question arising from the observations that validate the theories of a supernova explosion regarding the existence of the rotating neutron star which according to the theory is created from the explosion. Observations of the astronomers on the explosion of the star Sanduleak; Activity of the star after it's explosion; Indications for the formation of the neutron star after the explosion.

Reports on the establishment of a DNA repository being established by Victor Weedn at the Armed Forces Institute of Pathology in Washington D.C. Purpose of establishing the repository; Limitations of DNA dog tag; Plans for taking medical specimens from defense personnel for the repository.

Reports on a possibility that euthycarcinoid, a five inch long, 420 million year old fossil found in Murchinson gorge, Australia could have predated insects. Structure of the euthycarcinoid; Other possible ancestor of the insects; Evolution of euthycarcinoids into smaller sized insects.

Reports on a warning to buyers of Jivaro, a shrunken head souvenir from Ecuador regarding it's authenticity. Traditional craftsmen of the shrunken heads; Result of the examination of several shrunken heads by Robert W. Mann, a physical anthropologist; Reason for changes in the size of the shrunken heads.

Reports on the discovery of a statue of Ramses the Great, a pharaoh who ruled Egypt for more than 60 years in the 13th century B.C. in Sohag, Egypt. Discoveries of the temple of Ramses made in the year 1981; Other statues discovered along with the statue of Ramses the Great; Revelations made by the discoveries regarding Sohag area.

Reports on a study on the native bats Lasiurus Brachyotis and Lasiurus Cinereus found on the Galápagos Islands. Equipment used to study the habits of the bats; Genetic studies to determine the relation of the native bats with other bat species; Means employed to trace the bats.

Reports on introduction of the Asian gypsy moth into the U.S. Manner of introduction of the moths in the country; Comparison between the Asian and the U.S. gypsy moth; Efforts of the U.S. Animal and Plant Health Inspection Service to control the entry of the gypsy moth.

Reports on plans of city and church officials to reconstruct Dresden, Germany-based Lutheran church named Frauenkirche -- Church of Our Lady. Reason for degradation of the church building; Opposition to the reconstruction of the building; Availability of the documents and funding for the project.

Reports that a pair of shoes manufactured by Nike Inc. were found floating near the shores of Pacific ocean from Queen Charlotte Islands to Southern Oregon. Reason for South Korean-made Nike shoes sliding overboard in mid-ocean; Speculations about landing of the shoes; Technical reason behind the floating of shoes.

Reports on the discovery of documents that suggest existence of life on a Roman fort established on the frontier in Northern England during 90 A.D. Retrieval of information on military regiments from the documents; Communication related to everyday life.

Focuses on the research conducted to track the migration route of codfishes from Newfoundland by the scientist George Rose. Instruments used by Rose to track codfishes; Explanation for the theory given by Rose regarding the route of codfishes; Temperature of water preferred by codfishes.

Focuses on the geological syncline formed during the construction of Interstate Highway 68 while cutting through Sideling Hill in western Maryland. Reason for the formation of syncline; Significance of the site where syncline was formed; Features of the site.

Focuses on the biplane personal watercraft designed by professor of Massachusetts Institute of Technology Mark Drela and his team. Features of the plane; Reasons behind development of the plane.

Focuses on the plans by the U.S. National Park Service to commemorate the underground railroad in the U.S. Routes of the railroad; Problem faced by the National Park Service regarding the marking of the routes.

Reports that Whitehall palace was furnished with England's earliest Turkish bath. Why David Gaimster concluded in 1996 that a sunken tub and glazed tiles excavated in 1939 are elements of a Turkish steam bath; Whitehall having been a favorite palace of the Tudor king, Henry VIII.

Reports that in 1996 the Highland Light lighthouse in Cape Cod, Massachusetts, was moved 453 feet back from the cliff on which it sat. The lighthouse's role for warning ships of shoals off the Truro bluffs in 1791; Why the lighthouse had to be moved; Role of the Truro Historical Society in saving the landmark.

Reports that a computer-generate mosaic depicting the topography around Sarajevo became an exhibit at the United Nations (UN) war crimes tribunal at The Hague in the Netherlands. The mosaic as originally being featured in a June 1996 `National Geographic' magazine article about the Bosnian conflict; How the picture was created by Autometric Inc.

Features a satellite photograph of the eruption of New Zealand's Mount Ruapehu on June 17, 1996. The photograph of the volcano's ash plume taken by a National Oceanic and Atmospheric Administration (NOAA) polar-orbiting weather satellite.

Explains how Canadian geologist Chris Gleeson used termite mounds to determine the location of gold deposits in the Koma Bangou area of Niger. Gleeson's utilization of tales about ancient African civilizations; How Gleeson's work has aided Etruscan Enterprises.

Explains the mystery surrounding the discovery of a hidden room beneath a clothing shop in the old English town of Guildford. The evidence which indicates that the room was a medieval synagogue; The lack of Hebrew inscriptions.

Details the restoration of two classical Greek bronze statues, from the fifth-century B.C., that were found in the waters off Riace, Italy in 1972. Damages to the statues by the sea; Use of a miniature television camera and tiny cleansing tools that were placed in the statue to remove clay deposits; Amount of clay removed; Where the statues are displayed.

Uncovers the discovery of artifacts from Lake Champlain. Details of the artifacts, which date back to a British retreat during the American Revolution; Where items are displayed.

Reports that scientists have cloned a disease-resistant gene of the rice plant. Brief details on Gene Xa21, which helps rice plants resist a bacterial disease called leaf blight; Comments by Pamela Ronald of the University of California, Davis.