This week on Tomorrow Today: How a preference for beer or makeup can reveal your political leanings

• News & Highlights

Oxygen, exercise - and diapers. The challenges of surviving in space.| Plus: stiff, achy joints in old age - not just a matter of wear and tear. |And: how a preference for beer or makeup can reveal your political leanings.

Other stories this week on Tomorrow Today:

• Surviving in space
• Arthritis - a new discovery
• Big data - Our digital footprint
• Big data - The tracks we leave
• Space debris - a danger here on earth?