In Norway, the world's first electric car ferry is operating successfully and a whole fleet of more eco-friendly vessels is on its way. Now low-emission, plug-in ferries could be a viable option for the Cook Strait crossing, too.

Dr Chris Smith of The Naked Scientists looks at a way to fight the flu virus using a colourful Indian frog and a super bandage that encourages wounds to heal way faster.

Fish not only have lifelong relationships and intricate dating rituals, they also use tools, hunt in tandem and punish wrongdoers, says Jonathan Balcombe, author of What a Fish Knows.

Learning to ride a bike, going viral, a 'tree on a chip' to power robots, and solving the space junk challenge.

Can you imagine learning to ride a bike as an adult? A group of refugees and new migrants did just that at a recent women's cycling day in Wellington.

The idea that a piece of content has 'gone viral' has become a badge of honour for its creators. But can you really catch a good meme like you catch a cold? Derek Thompson looks at online popularity.

Professor Peko Hosoi from MIT has made a 'tree on a chip' to help power the robots of the future.

As well as littering this planet with lots of rubbish, we're now filling space with debris, too. Dr Jason Held of Saber Astronautics thinks he might have found an answer.

The Attention Merchants, selling your mobile data, the walking bike that's changing lives, and taking penicillin while pregnant: are there risks?

Attention - getting it, keeping it, getting it back again - is now the basis of a massive global industry. Columbia University professor Tim Wu looks at the workings of the 'attention merchants'.