Today12/01/2016 Clips

1. What are gravitational waves and have they been discovered?

   Duration: 03:13

2. 'Crushing decision' to jail ex-soldier in India

   Duration: 01:17

3. Sir David Attenborough on 70 tonne titanosaur

   Duration: 01:31

4. Madaya resident: Aid convoy ‘like a resurrection’

   Duration: 01:24