Elephant repellent

Asthma, race, environment

Invading species

Cooking oil at high seas

Rapeseed oil will be used to lubricate oil rigs in the North Sea

Fewer 'green claims'

Intricacies of time

Using a new time measuring device geochronologists study the orbital pacing of the ice ages

Moon's effect

Gradual extinction

Chemical decorations

Stoned immaculate

Bacteria that can turn creatures into stone do exist

Turtle power

Loggerhead turtles are offering a lifeline to coastal dunes in Florida

Pollution masks for rats

Safe as milk

Ethyl lactate, an ecologically benign chemical, is all set to replace dangerous solvents

Noisy waters

The rubble speaks

Earthquakes may have played a major role in the destruction of 50 well-known ancient cities

Why bats are nocturnal

Multilegged mayhem

Multilegged mayhem

Hair begets heirs

Dinomites were here

Timely blooms

Tar balls

A new form of carbon pollution

Neem cleansing

Removes dye heavy metals

Lemon wash

Makes catalytic converters as good as new

Raised to the ground

Measures to protect groundwater -- which accounts for 97 per cent of our freshwater resources -- from the pressures and pollution it is …