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Smoking: fertility affected at foetal stage
Germ cells in embryo's ovaries, testes exposed to smoking reduced by 41%


Termites foretell climate change
Their mounds indicate hydrology, soil conditionsMounds are not subject to seasonal fluctuations

No stay on stem cell ruling
A U.S. judge refused Tuesday to suspend his ruling that blocked federal funding for human embryonic stem cell research.“In this Court's view, a stay would flout the will of Congress, as this Court understands what Congress has ...

Improved global data transmission
Improvement of the transmission capacity and energy efficiency of the world's optical communication networks could now be a reality thanks to the development of a new data transmission system.Transmission of data through optical ...

Mere hand washing not hygienic enough
When hands are washed the number of bacteria on the surface of the skin decreases, but they are not necessarily eliminated. If the hands are still damp then these bacteria are more readily transferred to other surfaces.Not drying your ...


SNAPSHOTS
Massive deforestation in the developing world
More than half a million square miles of new farmland was created in the developing world between 1980 and 2000, 80 per cent of it carved out of tropical ...

Environment-friendly plastics from corn
Making corn-derived plastics more heat-tolerant may broaden the range of applications for which corn-derived plastics could be used as an alternative to petroleum-based plastics and research is underway to that ...

A step toward quantum all-optical networks
A tiny optical device built into a silicon chip achieved the slowest light propagation on a chip to date, reducing the speed of light by a factor of 1,200, a major step toward all-optical quantum communication ...

Decline in pollinator numbers in U.S., Canada
Widespread reports of a decline in the population of bees and other flower-visiting animals have aroused fears that pollination is also likely on the decline in the U.S. and Canada. Climate change is seen as a possible ...

Dispersal of bird-flu by migratory birds studied
Direct ‘bird flu' virus dispersal by migrating birds would require asymptomatic infection to coincide precisely with the migration season. The window of dispersal is between 5 to 15 days for over 500 km, says a ...

Useful research into motor neuron diseases
Scientists have devised a method for coaxing mouse embryonic stem cells into forming a highly specific motor neuron subtype. The research may prove useful for devising future therapies for motor neuron ...
Speaking Of Science

The logic behind Honorary Doctorates
When the university is funded by the government, the dictum, “he who pays calls the tune” operates


Agriculture


FARMER'S NOTEBOOK
A safety feature makes this farm machine stand out
The cost of the motor and all accessories could come to about Rs 15,000

Conclave for a quantum leap in pulse production
Pulses are mainstay of Indian cuisines and are the major sources of protein to the largely vegetarian population in India.Four states namely Andhra Pradesh, Karnataka, Kerala and Tamil Nadu cumulatively account for 15-20 per cent of ...

Farm Query
What poultry breeds are suitable for backyard rearing? Is there any farmer who is doing it successfully in Kozikode, Kerala?Joe ThomasKozhikodeBreeds such as Grammasree, Gramma Lakshmi, Kalinga Brown and Rhode Island Red ...


Question Corner


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