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Stem cells of a different genre
Discovery of breast cancer stem cells could explain why current treatment fails in some. Their capability to bounce back to life even after irradiation treatment calls for new therapies to treat breast cancer.


Conducting polymers hold great promise
CHAINS OF molecules known as conducting polymers are versatile materials that can work like electronic circuits. Potential uses include flat panel displays, solar panels, sensing devices and transistors, to name just a few. Their invention won ...
Mars has a liquid iron core
INFORMATION ABOUT what is inside Mars shows it has a molten liquid iron core, confirming its interior has some similarity to Earth and Venus. Researchers at NASA's Jet Propulsion Laboratory, California, analysing three years of radio tracking ...
When reinforced concrete will rust
A COMPUTER model that calculates the rate at which salt and moisture penetrate reinforced concrete has been developed by Dutch researchers. Sander Meijers from Delft University of Technology studied the relationship between moisture transport ...
PART-II
Toxic technology challenges and spin-offs
Chemical and biological defence research at DRDE has come out with what could be a new cancer therapy and a `wonder drug' to fight cyanide poisoning.
Fuel cell for portable PCs
PORTABLE PCS have so far been powered by lithium ion batteries. But these batteries have limitations in meeting the power demands of the new generation of portable devices with their fast CPUs, higher resolution displays, wireless connectivity ...
Technology to increase vitamin C in plants
A TECHNOLOGY that increases the amount of vitamin C in plants, including grains, by increasing the amount of the enzyme that is responsible for recycling vitamin C, has been developed by biochemist Daniel R. Gallie at the University of ...
'Stemness' of a stem cell
EACH ONE of us is born out of one single egg cell — that of our mother. She packs 23 chromosomes, which contain all the genes that she endows us with. The father brings in his 23 chromosomes containing his share of genes in his sperm. The ...

Agriculture
Bacterial-wilt resistant tomato
A HIGH-YIELDING tomato variety with built-in resistance to bacterial-wilt has been developed by the scientists at the department of Olericulture, College of Horticulture of the Kerala Agricultural University (KAU), Vellanikkara. It has been ...

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