Paul Nicklen, a Conservation Photographer

Paul Nicklen is a conservation photographer that has taken the most spectacular pictures of wildlife in the Artic and Antarctic.  Here you can read an interview where he talks about the risks and the fascination of his work.

If you want to see some of his pictures, please, click here.

Manal al Sharif, a Women's Rights Activist

You can read here an interview to Manal al Sharif, the Saudi woman who led a women's rights movement by driving a car.

Andy Goldsworthy, an Ephemeral Artist in Nature

Here you can find an NPR interview to Andy Goldsworthy, a sculptor who uses nature to make ephemeral works of art.

You can see more examples of his art if you click here.

Why We Sleep

Here you can watch a short video with subtitles with 5 tips to help you sleep peacefully by professor Mathew Walker, a neuroscientist at University of California, Berkeley, and the author of the book Why We Sleep. Link B2.

If you want further information, you can listen to a radio interview (with the script) to Matthew Walker on NPR's programme Fresh Air.(Link C1)

Finally, you can also read an article  about the book from The Guardian.(Text B2)