nano-capacitors: A team of scientists from the Carnegie Mellon University in the US has discovered a nanocrystalline material that is cheaper, more stable and produces a higher quality energy

sterilising produce: A new method to sterilise fruits and vegetables has been developed, which literally sucks life out of germs. It could replace ozone-depleting chemicals, like methyl bromide,

Farmers can save crops without pesticides. And they can earn more in the deal. sopan joshi records a great change sweeping through Andhra Pradesh. It’s called non-pesticidal

freshness sensor: Grocers, florists and even pharmacists may soon have a better way to monitor the quality of products they get from suppliers: a sensor that will tell when a product spoils. A