Continental hope

A new combustion technique will make two-stroke engines -Asia's bane - cleaner

Idling away

Most household electronic devices waste a lot of energy doing simply nothing

Beastspeak

The ray attack

Powerful rays from the edge of the Universe reach Earth

Why is Saturn the youngest?

No small threat

Enemy mine

Hunting mines has become easier

Jammin'

Sign of the times

Mona, a computer-generated figure, will teach written English to deaf children in the US

Bike safety

Rounded off

Future of the ubiquitous personal computer is going to be spherical

Focused and sharp

Show the way, ALF

A nose for stress

Bye bye silicon

How microelectronics might take to carbon

QED

Non-discoveries are also important in particle physics

Matter unknown

Charting the Universe

Cells, calcium, and UV light

Their relationship is intricate, and it strongly bears on gene expression

Speakers and writers

Radio or not, here it comes

Is it a radio or a computer? A British company turns the ordinary PC into a digital radio

High anxiety

Experts discover that oestrogen offen affects stress management

Germany's DNA database

Tales of evolution

Recently discovered prehistoric embryos are throwing previous theories into a tizzy

Weighing those words

Scientists have come up with yet another software to assess writing skills