The science of hot air balloons: How do they work?

Soon, hundreds of hot air balloons will fill the Albuquerque sky as part of the Albuquerque International Balloon Fiesta, but ...
Homes and Gardens on MSN

'Gently does it' – locksmiths share the key to easily fixing a frozen lock yourself this winter, and when to leave it well alone

Here, locksmiths reveal how to fix a frozen lock and when to leave it well alone to make your home more safe and secure, and ensure your keys don't break. Frozen locks occur when moisture gets trapped ...