Moon illusions

Why does the size of the moon diminish once it is up in the sky?

On a glittering trail

Researchers unravel the origins of some of the most precious emeralds known to humankind

It pays to be single

Contrary to popular belief, children of single parents do rather well in life

Shh the patient's listening!

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

Manipulating atoms

Scientists devise a novel way to manoeuvre atoms

Tilting Earth

Birds stammer, too

Head-banging

Sex determination and stress

Cooperation

How bacteria acquires the genes to cause cholera

Jumbo went fishing!

Elephants used to be aquatic mammals

Arctic without ice

Blood cells from stem cells

A light database

Sensitive ones

The apple holds ground

Gravity works between bodies kept at minute distances, just the way Newton calculated

Bigger yet

Sword of small things

Molecular structures that 'bleed' harmful microbes to death

Prime achievement

100 per cent accurate computer algorithm to identify prime numbers

Sea change

Sea surface temperatures indirectly affect South Asian monsoons

Touching from a distance

Scientists recreate sense of touch on the internet

Found at last

Remains of Neanderthals discovered in Germany

Final equation

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