Caving in to the monsoon According to a record of rainfall provided by a stalagmite in a Chhattisgarh cave, monsoon may be even more variable than we thought.
Meera Iyer finds out.
Rats are no guinea pigs US will very soon replace animals such as rats with
robots in toxic chemical tests.
Hope on the horizon Specialised tumour-killing virus paves way for novel brain cancer treatment Researchers conducting a study on mice have discovered a specialised virus with the ability to reproduce its tumour-killing genes that selectively target and eradicate cancers in the brain, leaving healthy brain-tissue virtually untouched.
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