Great balls of energy

Under the ocean floor lies an untapped source of energy

Mobile batteries

Speed in tennis

Sunny alternatives

Solar power is being used to run fax machines, computers and telephones

A speech for each

Telephone directory inquiries in Britain will use computers that converse with inquirers

NET WORK

Assembling power

The world's largest barge-mounted power plant will be operational in Pakistan by 1999

Sun-powered scooter

Going far

Hot rocks

Geothermal energy is gradually becoming a potential source of electricity

Windward, ho

Making waves

Change in the wind

Wind energy could soon become as cheap as other forms of energy

China makes a beginning

Recycling cell

Green electricity

The three musketeers

Biggest windfarm

Water vigil

A third language area identified in the cortex

Formation of stars linked to evolution of life on earth

Clean-up act

New void in the cosmos

Soil bacterium for protection against earthquakes

Birds also plan ahead

Geologists uncover underground ocean