Iron batteries

Freeze the sewage

Canadian engineers develop a no-effluent discharge technology

Lead-free motors

Safe X-rays

Bright prospects

Consumer electronics may benefit from new advances

Killing shortcuts

Car navigation systems can be dangerous for pedestrians in residential areas

Efficient chainsaw engine

Cleaner and efficient

A few small holes in the manifold may be all that takes to improve engine efficiency

Hand-held scanner

Laser's friend

A new resin has been developed that will allow more uses of lasers

Speed limit

Scientists tame the speed of light

Wavy rides

Bovine invention

Microtubes are here

Out with fuse

Thanks to gallium nitride, it is now possible to develop bulbs that can last a lifetime

Spin power

Microtechnology is already providing motors with extraordinary speed

Carbon cleansers

Final equation

The value of gravitational constant is influenced by Earth's magnetic field

What a nerve!

Scientists turn skin cells into nerves and immune cells

Speeding up research

To one's taste

Odour map

Surviving in a battlefield

Wishes grow on cellulose

Here is one battery that will revolutionize the use of paper

Cell sensor

Frog egg helps robot sniff pollution