March 2004

• Women look best once a month

  A woman's face is most alluring at the height of her cycle.

  31 March 2004

• Evolved DNA stitches itself up

  Could DNA have kick-started life on Earth instead of RNA?

  31 March 2004

• Dune buggies squash bugs

  Conservationists say vehicles are killing beach wildlife.

  31 March 2004

• Snakes help with the laundry

  Venom can break down blood-stains on clothes.

  30 March 2004

• No link between acrylamide and breast cancer

  Food chemical may pose little risk to humans.

  30 March 2004

• Liquorice extract sweetens old age

  Carbenoxolone could aid verbal memory.

  30 March 2004

• Hypersonic jet blasts speed record

  NASA's scramjet hurtles to earth at Mach 7.

  30 March 2004

• Methane found on Mars

  Volcanoes likely source of gas.

  30 March 2004

• Virus takes out killer caterpillar

  Alternative to pesticide may join battle against invasive species.

  29 March 2004

• HIV discovery allows targeting of vaccines

  Researchers identify virus strains that frequently infect victims.

  26 March 2004