Final test: A colony on the moon!

Walls and pipes made of fibreglass, in turn made from material from asteroids. Bricks made of polyfibre bags filled with lunar soil, compressed to become very strong. Gravity of 1g simulated in a......

How 46 million Indians are being slowly poisoned

Water from as many as 78,508 rural habitations is contaminated by arsenic, fluoride, iron or nitrate, finds out Chaitanya Mallapur/IndiaSpend.com. Around 46 million people in India - or the size of......