As we peek into our past, the number of our ancestors seems to double in every generation. For every human being has two parents, four grandparents, eight great grandparents, 16 great great grandparents and so on. By this yardstick, the number of ancestor

At first sight, two humans may seem to differ enormously. But looks can be misleading. Among animals, humans make up an unusual group. All humans belong to the same species Homo sapiens, meaning wise human . Technically, this implies we can exchange ou

Compromising with a necessary evil: this is literally true for chlorination the most widely used technology for disinfecting drinking water. A recent study by Spain based Municipal Institute of Medical Research once again establishes that long term expo

Learning from Lorenzo's oil

In all the media hype, the legacy left behind by the Columbia STS 107 crew was almost forgotten a wealth of information gathered from more than 80 experiments

The science of cloning is in the nascent stage

SIEMENS WESTINGHOUSE COMPETITION IN MATH, SCIENCE AND TECHNOLOGY . USA High-school scientists in the US were given the opportunity to display their expertise in genetics, mathematics, molecular