BBC Shorts: Body clocks, smart dogs, Nigeria anger
Some of the day's top news stories, in 15 seconds. For more news stories, visit the BBC on Instagram.
WHAT DOES BODY CLOCK DO?
Our internal clocks have a profound impact on our body. Find out more here.
MACHINE TO MAKE DOGS SMARTER
A team of US graduate students has developed a dog feeder which they believe can make pets smarter. Watch more here.
ANGER AT SCENE OF BOKO HARAM MASSACRE
A local governor and BBC crew in Nigeria are chased from the scene of a recent Boko Haram massacre by angry crowds. Watch more here.