Nature highlights
Key research and analysis from this week's Nature magazine.
Mars in an ice age:
The red planet before the present interglacial
- HapMap: Mapping all over the world
- Dark matter: The large quartet
- Infinite variety: Möbius chemistry
- Global warming: Salty tropics
- Lifestyle choices: Art movement
- Bovine tuberculosis
- Palaeontology: Creature from the shallows
- New chameleons: Now you see them
- Putting a brake on HIV-1
