Solar sense

Backpack to the rescue

Stripping device

Quite a saving

Tracking Earth's movements

Hear it is

Striking lasers

A semiconductor laser would enhance the performance of telecommunications

Explosions in outer space

Gamma-ray bursts occur daily and are million times brighter than the galaxy

Powerful eye

Unlike orbiters

Stress and miscarriage

Cellular threat

Cure before birth

Genetically weak foetuses can grow into healthy humans with bone marrow transplants

Effective alternative

Tiny trouble-maker

All aboard for the Red Planet

Nasal route

A new technique has been developed to treat brain tumour

Einstein's drag

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

Taking the placenta route

Green kill

Small pump, big help

A nice, worm surprise

Who would have thought that the roundworm could ever shock the geneticists?

Complete dressing

Making organs

A new material might help make tissue for artificial organs

Stabilising mirrors