Hype about salt

To eat or not to eat is not the question, says a critic of 'low salt' theory

Garbage power

Winnowing made easy

A simple technology is now available for separating grains from chaffs

Mushrooming study

Flight into the storms

Nose best

The humble nose can revolutionise the way brain diseases are currently treated

Early warnings

A new test will determine if an adolescent faces the risk of substance abuse in the future

Froggy innovations

Old questions, new answers

Forever young

DNAs: the key to perpetual youth

The switch

Swapping cells can save ailing hearts

Quake cometh

Close insight

Einstein's drag

Two satellites reveal how Earth's rotation warps space-time

Sweeter than the sweetest

No antibiotics please

That's electronics for you

TB revealed

Now that science has "decoded" the TB bacterium, a cure seems possible

Speedy destruction

The use of heavy tractors leads to reduced crop production

Highs and lows

Science now has a way to prevent premenstrual syndrome

Get a grip on your hormones

A French scientist shows how to control the hormonal response of your body

Mercurial problem

Too much of mercury causes infertility in men. And it can also come in the fish you eat

Blobs burning

Not a single dry eye in the house

...after you try out medicine's latest recipe for killing pain -- red hot chilli peppers

Weighty problem