Search

Scrutinizes the status of menageries and the conservation of endangered animals. Analysis of Ginette Hemley, vice president of the World Conservation Union on captive breeding; Initiation of breeding programs for endangered species; Conservation work at the Bronx Zoo.

Suggests that people who are able to combine scientific expertise with creative computer skills should take up data management. Factors causing increased data usage in the sciences; Information on the project undertaken by Simon Brocklehurst, head of bioinformatics at Cambridge Antibody Technology; Biological discipline which has a growing need for data management.

Focuses on the creation of light filter to stop brain seizures in intense flashing lights or color changes in television. Demonstration of harmful effect of flashing lights in television; Investigation of filters for blocking red light at wavelengths; Application of filters to cover screens; Consideration of filter as alternative to drug therapy.

Reports the effects of Ritalin prescription to hyperactive children. Similarity of ritalin abuse to cocaine abuse; Parallelism of changes in gene expression in brain region; Consequences of psychostimulants in the brain.

Details the conjugation between Escherichia coli and mammalian cells. Transfer of marker genes; Implications on using bacteria in gene therapy; Citation of several conjugation research.

Focuses on an environmentally friendly alternative to burial and cremation. Freeze-drying of the body; Problems with both cremation and burial; Return of all organic compounds to the soil within six months.

Reports on a fossil find in Pakistan which offers insights into how cetaceans evolved from a terrestrial ancestor. Fossil evidence suggesting that they descended from a carnivorous ungulate; Contrast with DNA analysis which points to a hippopotamus-like ancestor; Insights from the study of artiodactyl bones.

Reports on the proposal by chemist John Winfield at the University of Glasgow in Scotland to convert ozone-depleting chlorofluorocarbons (CFCs) into the less damaging hydrofluorocarbons. Advantage of the process over incineration; Use of an aluminum-based catalyst in lieu of hydrogen fluoride; Millions of tons of CFCs in storage around the world that could be converted using the process.

Reports on the deciphering of a 1900-year-old text that was found near where the Hadrian's wall was built in Great Britain. Glimpse of the life during the Roman Empire period of Great Britain; Use of high-resolution digital camera in the deciphering; More tablets at the Vindolada settlement that need deciphering.

Reports on the potential use of Permacol, a collagen material from pigskin developed by Tissue Science Laboratories, in repairing wound and injuries among the aged. Properties of the material; Advantages over other collagen matrices.

Focuses on the use of video line-ups to identify suspected criminals. Comparison of reliability of video line-ups with that of live line-ups; Mock witnesses' levels of success in identifying suspects from video and live line-ups.

Reports on the role of the neurotransmitter glutamate in the destruction of healthy neurons by gliomas in the brain. Importance of glutamate in normal brain function; Mechanism in which gliomas destroy healthy tissues; Effectiveness of drugs that block glutamate in slowing down the growth of gliomas.

Compares the brain development between humans and mouse in the United States. Use of fluorescent dye to track migrating neurons in slices of brain tissue; Presence of ganglionic eminence neurons in the thalamus; Absence of the pathway in mice.

Evaluates the visual system and optical properties of brittlestars, primitive sea creatures in the United States. Locomotive mechanism of brittlestars; Capability of the optical properties of brittlestars; Comparison between the visual system of the insect's eye and the human eye.

Deals with the findings of a study by psychologist Denise Park on memory loss in adults in the United States. Types of memory tested by Park; Deterioration of memory in relation with age; Effect of neural signaling on the brain.

Reports that the United States House of Representatives voted for a ban on all human cloning, including therapeutic cloning and cloning for research purposes. Sponsor of a bill that would make any form of human cloning a criminal offence.

Focuses on a urine test conducted by scientists to determine the Creutzfeldt-Jakob disease. Benefits of the experiment; Composition of the urine test; Procedure of the urine test.

Discusses research results which suggest that smog damages the lungs of growing infants and causes asthma. Theory that exposure to ozone is especially damaging early in life; Why children who grow up in big cities tend to have an increased risk of respiratory problems.