It turns out obese politicians are more likely to be corrupt, and it's safe to airlift a rhino upside down

Punching bearded faces, upside-down airborne rhinos, obese politicians and corruption — it's all here in this year's IG Nobel prizes, honouring achievements that first make people laugh, and then think.

Our largest wombats are back from the brink after dropping to just 35 in the 1980s

The metre-long northern hairy-nosed wombat nearly went the way of the Tasmanian tiger, but thanks to one fenced-off Queensland habitat they're recovering.